2AYZV0000KSSSmart Shower

Hai Shower Head Adaptor Installation instructions Step 1. Remove Original Shower Head 1a.Ensuretheshowerisoffandremovetheshowerheadbyunwindingtheheadfromthe showerarm.Takecarenottotwisttheshowerarm–youmayneedplierstoholdthissteady. 1b.Removeanyoldthreadtape,andcheckthatthesealingsurfaceiscleanandfreeofany limescaleresidue.Ifthesealingsurfaceoftheshowerarmisinpoorcondition,itmaynot sealproperly. Step 2. Attach the Hai Adaptor to the wall outlet The Hai Adaptor Locking Key has three distinct positions: 2a.ToscrewtheHaiAdaptortotheshowerarm,theLockingKeyneedstobeinthisposition1. 2b.HoldtheAdaptoruptotheShowerArmandengagethethread. 2c.WhiletheLockingKeyisinposition1,rotatetheInletNutclockwiseuntilthenutisfastened tightlytothewallarm.TheHaiAdaptorisnowattachedtotheshowerarm. 2d.TheHaiAdaptorbodyisstillabletoswivel.Tolocktherestoftheunit,movetheLockingKey toposition3,holdtheadaptorbodyvertically,andlightlytightenagainbyrotatingclockwise, aswithstep2c.Nonotovertighten! 2e.NowmovetheLockingKeyintotherestingposition2andleaveinatidyposition. 2f.FitthehosetotheAdaptorOutlet,ensuringthatthesmallconnectingconeattachestothe adaptor,andconnectthelargeconnectingconetothehandset/showerhead. 2g.Checkforanyleaks.IfthereisaleakattheShowerArm/InletNut,youwillneedtostartover andapplythreadtapetotheShowerArmthread.ToremovetheHaiAdaptor,followsteps 2a-2finreverse. YourHaiShowerHeadAdaptorisnowinstalled. 123 Locking nut Adaptor body Adaptor outlet Locking key Inlet nut Handset support Shower arm Clockwise to tighten Sealing surface

Smart Shower Document:Technical document Smart shower Version:Draft 0.3 Autor:Jordi Zoon [email protected] 22 June 2021 Table of Contents Table of Contents1 Document management1 Introduction to the Smart shower2 Intended and foreseeable use2 Product functioning2 Functional overview2 Main product components3 PCB layout and layers4 Software and firmware versions of the product4 Band and mode of communication protocols4 Product design considerations5 Information and marking on the product’s casing5 Product’s essential requirements and applicable harmonizedstandards5 Radio Equipment Directive 2014/53/EU5 FCC6 ISED6 Other requirements6 Annex A - User information and installation instructions6 Annex B - Datasheets of product’s main components6 Annex C - Gerber files and Bill of materials6 Annex D - Test reports6 Document management This technical file of the Smart Shower is only applicableto V1.5 VersionDateAuthor(s)Description / amendments Draft 0.12021-02-10Jordi ZoonThe initial draft version of “technical file smart shower” Draft 0.22021-03-18Jordi ZoonAdded temperature range [email protected]+31 30 300 0301Bussumerstraat 34,1211 BL, Hilversum, The Netherlands Introduction to the Smart shower ThesmartshowerdeviceisdesignedanddevelopedbySODAQengineeringB.V.in cooperationwithKinetronB.V..Thedeviceisanindoor,batterypowereddevicethata) measureswatertemperatureandflowofashower,b)transmitsallacquireddataover Bluetooth, and c) uses the shower water flow to generatepower for the device to operate on. Intended and foreseeable use Theproductisintendedtogiveconsumersinsightintotheirownshowerhabitsandwater consumption.Themeasureddata,watertemperature,waterconsumption,andtime,is transmittedoverBluetoothtothesmartshowerphoneapplication.Thedeviceisintendedfor homeuseonlyandshouldnotbeusedinprofessionalsettings,norshoulditbeusedfor billingpurposes.Thedevicemayonlybeusedinatemperaturerangegoingfrom0°Cupto 45°C. Product functioning The main objective of the Smart Shower project isto measure waterflow, water temperature, duration of a shower and the timestamp of when theshower has been started. These variables can be requested by the end user via a smartphoneduring and after the shower. The Smart Shower broadcasts the UUID for one hourafter the shower. Afterwards it goes into sleep keeping the RTC running for the timestampswhen a new shower has started. To use the Smart Shower a mobile application willneed to be developed that can communicate with the device over Bluetooth. The microcontrollerused in the Smart Shower is a Nrf52833 and does support BLE 5.2. For this projectonly the features of 5.0 are required. The smart shower will send the data in EU metrics[ Liters and degrees Celsius ]. As the app needs to display the data in US metrics these conversionsneed to happen in the app. Functional overview For the functional overview, see the block diagramin figure 1. Figure 1: Functional block diagram [email protected]+31 30 300 0301Bussumerstraat 34,1211 BL, Hilversum, The Netherlands Main product components TheproductusesthenRF52833forcommunicationfunctionalitywiththeuser'sphone.The nRF52833isalsousedasthemainMCU.Theentiredeviceispoweredbyarechargable60 mAhLiPobattery.Thebatteryischargedbyawaterturbine(thatisalsousedtomeasurethe waterflow)thatisalsocapableofpoweringtheentiredeviceincasetheLiPoispassedit’s life time The product has two sensors 1.Temperature sensor, NXFT15WF104FA2B050 to measurethe water temperature 2.Waterflowsensor,CustomdesignbyKinetrontomeasurethewaterflow,generate power to charge the battery or run the MCU. Datasheets of all major components are attached asfiles in Annex B ThePCBismountedontheblacktube(3rdfromtheright)andthenplacedintotheclear plastichousing(right).Thisentireassemblyincombinationwillthenbepottedtoensureno watercandamagetheelectronics.Thepottedassemblythengetsslidintothestainlesssteel enclosure where it will then be in the water flowpath of the shower. [email protected]+31 30 300 0301Bussumerstraat 34,1211 BL, Hilversum, The Netherlands PCB layout and layers ThePCBoftheproductconsistsoffourlayers.Onlythetoplayerhascomponentsonit,The main components are: ●nRF52833 ●2.4GHz antenna ●RGB LED ●Temperature sensor ●Battery connector ●Generator connector A detailed overview of the layers and their componentsis provided by the gerber files and the bill of materials (BOM) provided in the attachedfiles of Annex C. Software and firmware versions of the product The release firmware for the MCU (nRF52833), willbe released with firmware version Vx.x with software commit x.x.x. and has been stored ongitlab (https://...). Band and mode of communication protocols Beforementionedcommunicationprotocolsoperateaccordingtothemodeandbandwith associated output power of the table below Band and modeOutput powerMax transmission rate Bluetooth 2.4GHz+8 dBm2 Mbps [email protected]+31 30 300 0301Bussumerstraat 34,1211 BL, Hilversum, The Netherlands Product design considerations Duringthecourseofdesigninganddevelopingtheproductthefollowingconsiderationsare worthwhiletomentionasitprovidescontexttothefinalproductdesignasdefinedinthis technical document. 1.A Li-Po battery has been included to keep the RTCrunning. 2.The Li-Po is completely disconnected until the firstuse to increase its shelf life. Information and marking on the product’s casing The product itself is engraved with the brand name,model number, FCC ID and ISED ID. Product’sessentialrequirementsandapplicableharmonized standards The test report(s) is attached hereto as a file inAnnex D, indicating that the product is compliant with the indicated harmonized standardsin the table below. Radio Equipment Directive 2014/53/EU Essential requirementDirectiveHarmonized standard Health and safetyRED 2014/53/EU article 3.1aEN 61010-1:2010 [email protected]+31 30 300 0301Bussumerstraat 34,1211 BL, Hilversum, The Netherlands FCC Essential requirementStandards EMC aspectsFCC part 15B Radio aspectsFCC part 15.247 Thisequipmentgenerates,usesandcanradiateradiofrequencyenerg…

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Page 1 of 2 External Photo Module Product name : Smart Shower FCC ID : 2AYZV-0000KSS ISED ID : 27009-0000KSS Test report No. 201001435 Test report No. 201001435 Page 1 of 2 Table of Contents 1 External Photos ........................................................................................................................................ 2 1.1 Front/3D View ....................................................................................................................................... 2 1.2 Side View 1 ............................................................................................................................................ 2 1.3 Side Views 2 .......................................................................................................................................... 2 Test report No. 201001435 Page 2 of 2 1 External Photos 1.1 Front/3D View 1.2 Side View 1 1.3 Side Views 2

567891011 432 G F E D C B A 1 THIS DRAWING AND ITS ANNOTATIONS, COPYRIGHT THEREIN AND INFORMATION PORTRAYED IS THE EXCLUSIVE PROPERTY OF METHVEN LIMITED Process Control Notes: = Significant Characteristics = Customer Significant Features = Safety Critical Features All identified features are required to be produced with a process Cpk ≥ 1.33 SC CS SURFACE FINISH: UNLESS SPECIFIED OTHERWISE LINEAR ALL Ø ABOUT COMMON CENTRELINE TOLERANCES CONCENTRICITY 0.0 0 0.00 0.21.6 ANGLES ± 3° 0.1 0.4 0.1 Scale: DO NOT SCALE Dimensions in mm 1:1 REV DWG.No Sheet size Private Bag 19996, Auckland 1746 41 Jomac Place, Avondale, Auckland 1026 PH (+649) 829-0429 mETHvEN LIMITED A3 Sheet 2 of 2 T9185511 MASS: FINISH: CHECKED: COLOUR: DESCRIPTION: MATERIAL: DRAWN: 128.16 1" schedule 10 pipe (33.4 OD x 27.86 ID) See notes Body Main Adaptor Digital AISI 304 S McCutcheon 1/06/2020 N/A REVDESCRIPTIONDATEBYECA -See Sheet1--- Notes: Drawing for diagramatic purposes only. Do not use as artwork. 1. Font - Arial Narrow- 1.5mm high.2. All laser etching shall not be blurred and be legible with normal 3. vision at 400mm. DRAWING FILENAME : 185511MODEL FILENAME : 185511 MVN_A3_PRODUCT Rev 1.1 DETAIL E SCALE 5 : 1 0.5 4.5 5 2.0 3 32 1.5 typ.

567891011 432 G F E D C B A 1 THIS DRAWING AND ITS ANNOTATIONS, COPYRIGHT THEREIN AND INFORMATION PORTRAYED IS THE EXCLUSIVE PROPERTY OF METHVEN LIMITED Process Control Notes: = Significant Characteristics = Customer Significant Features = Safety Critical Features All identified features are required to be produced with a process Cpk ≥ 1.33 SC CS SURFACE FINISH: UNLESS SPECIFIED OTHERWISE LINEAR ALL Ø ABOUT COMMON CENTRELINE TOLERANCES CONCENTRICITY 0.0 0 0.00 0.21.6 ANGLES ± 3° 0.1 0.4 0.1 Scale: DO NOT SCALE Dimensions in mm 1:1 REV DWG.No Sheet size Private Bag 19996, Auckland 1746 41 Jomac Place, Avondale, Auckland 1026 PH (+649) 829-0429 mETHvEN LIMITED A3 Sheet 2 of 2 T9185511 MASS: FINISH: CHECKED: COLOUR: DESCRIPTION: MATERIAL: DRAWN: 128.16 1" schedule 10 pipe (33.4 OD x 27.86 ID) See notes Body Main Adaptor Digital AISI 304 S McCutcheon 1/06/2020 N/A REVDESCRIPTIONDATEBYECA -See Sheet1--- Notes: Drawing for diagramatic purposes only. Do not use as artwork. 1. Font - Arial Narrow- 1.5mm high.2. All laser etching shall not be blurred and be legible with normal 3. vision at 400mm. DRAWING FILENAME : 185511MODEL FILENAME : 185511 MVN_A3_PRODUCT Rev 1.1 DETAIL E SCALE 5 : 1 0.5 4.5 5 2.0 3 32 1.5 typ.

Page 1 of 2 Internal Photo Module Product name : Smart Shower FCC ID : 2AYZV-0000KSS ISED ID : 27009-0000KSS Test report No. 201001435 Test report No. 201001435 Page 1 of 2 Table of Contents 1 Internal Photos ........................................................................................................................................ 2 1.1 PCB and turbine combined view ........................................................................................................... 2 1.2 PCB top view ......................................................................................................................................... 2 1.3 PCB back view ....................................................................................................................................... 2 1.4 PCB and turbine uncombined view ....................................................................................................... 2 Test report No. 201001435 Page 2 of 2 1 Internal Photos 1.1 PCB and turbine combined view 1.2 PCB top view 1.3 PCB back view 1.4 PCB and turbine uncombined view

Page 1 of 5 FCC SAR Exclusion Report Product name : Smart Shower Applicant : Kinetron B.V. FCC ID : 2AYZV-0000KSS ISED ID : 27009-0000KSS Test report No. : 201001435 FCC RF exposure Ver 2.00 Report number: 201001435 FCC RF exposure Ver 1.00 Page 1 of 5 Laboratory information Accreditation Telefication complies with the accreditation criteria for test laboratories as laid down in ISO/IEC 17025:2017. The accreditation covers the quality system of the laboratory as well as the specific activities as described in the authorized annex bearing the accreditation number L021 and is granted on 30 November 1990 by the Dutch Council For Accreditation (RvA: Raad voor Accreditatie). Telefication is designated by the FCC as an Accredited Test Firm for compliance testing of equipment subject to Certification under Parts 15 & 18. The Designation number is: NL0001. Telefication is a Wireless Device Testing laboratory recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements. Telefication is a registered Conformity Assessment body (CAB) under the Japan-EC MRA (Agreement on Mutual Recognition between Japan and the European Community). The registration number is: 201. Documentation The test report must always be reproduced in full; reproduction of an excerpt only is subject to written approval of the testing laboratory. The documentation of the testing performed on the tested devices is archived for 10 years at Telefication Netherlands. Testing Location Test Site Kiwa Telefication BV Test Site location Wilmersdorf 50 7327 AC Apeldoorn The Netherlands Tel. +31 88998 3393 Test Site FCC NL0001 Report number: 201001435 FCC RF exposure Ver 1.00 Page 2 of 5 Revision History Version Date Remarks By v1.00 22-04-2021 Release version K.K v2.00 02-07-2021 Updated Applicant and trademark K.K Report number: 201001435 FCC RF exposure Ver 1.00 Page 3 of 5 Table of Contents Revision History ............................................................................................................................................... 2 1 General Description ................................................................................................................................. 4 1.1 Applicant ............................................................................................................................................... 4 1.2 Manufacturer ........................................................................................................................................ 4 1.3 Tested Equipment Under Test (EUT) ..................................................................................................... 4 1.4 SAR Measurement Evaluation ............................................................................................................... 5 1.4.1 Maximum Output Power .................................................................................................................. 5 1.4.2 SAR Testing Exclusions ...................................................................................................................... 5 1.5 Summary ............................................................................................................................................... 5 Report number: 201001435 FCC RF exposure Ver 1.00 Page 4 of 5 1 General Description 1.1 Applicant Client name: Kinetron B.V. Address Docklands 9, Tilburg, The Netherlands Zip code: 5026 SL Telephone: +31 (0)6 28 66 08 18 E-mail: [email protected] Contact name: Robbert Van Steenwijk 1.2 Manufacturer Manufacturer name: Kinetron B.V. Address: Docklands 9, Tilburg, The Netherlands Zip code: 5026 SL Telephone: +31 (0)6 28 66 08 18 E-mail: [email protected] Contact name: Robbert Van Steenwijk 1.3 Tested Equipment Under Test (EUT) Product name: Smart Shower Trademark: HAI Product type: BT flow meter ISED ID: 27009-0000KSS Model(s): Smart Shower Software version: -- Hardware version: V 1.5 Report number: 201001435 FCC RF exposure Ver 1.00 Page 5 of 5 1.4 SAR Measurement Evaluation 1.4.1 Maximum Output Power The maximum conducted power including tune-up tolerance is shown as below. Mode Output power (dBm) Bluetooth LE 4.85 Values taken from Telefication report 201001435 001. 1.4.2 SAR Testing Exclusions According to KDB 447498 D01, the SAR test exclusion condition is based on source-based time- averaged maximum conducted output power, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions. The SAR exclusion threshold is determined by the following formula. 1. For the test separation distance <= 50 mm When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. 2. For the test separation distance > 50 mm, and the frequency at 100 MHz to 1500 MHz 3. For the test separation distance > 50 mm, and the frequency at > 1500 MHz to 6 GHz Mode Max. Tune- up Power (dBm) Max. Tune- up Power (mW) Ant. to Surface (mm) Calculated Result Require SAR Testing? BLE 4.85 3.05 50 0.975 No Note: 1. When separation distance <= 50 mm and the calculated result shown in above table is <= 3.0, the SAR testing exclusion is applied. 2. When separation distance > 50 mm and the device output power is less than the calculated result (power threshold, mW) shown in above table, the SAR testing exclusion is applied. 1.5 Summary Since the SAR testing for all device orientations apply SAR test exclusion per KDB 447498, SAR testing for this device is not required.

FCC and IC Test report for parts 15.109, 15.209, 15.247, RSS-247, RSS-Gen Product name : Smart Shower Applicant : Kinetron B.V. FCC ID : 2AYZV-0000KSS ISED ID : 27009-0000KSS Test report No. : 201001435 001 Ver 2.0 Report number: 201001435 001 Ver 1.0 Page 1 of 38 Laboratory information Accreditation Telefication complies with the accreditation criteria for test laboratories as laid down in ISO/IEC 17025:2017. The accreditation covers the quality system of the laboratory as well as the specific activities as described in the authorized annex bearing the accreditation number L021 and is granted on 30 November 1990 by the Dutch Council For Accreditation (RvA: Raad voor Accreditatie). Telefication is designated by the FCC as an Accredited Test Firm for compliance testing of equipment subject to Certification under Parts 15 & 18. The Designation number is: NL0001. Telefication is a Wireless Device Testing laboratory recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements. Telefication is a registered Conformity Assessment body (CAB) under the Japan-EC MRA (Agreement on Mutual Recognition between Japan and the European Community). The registration number is: 201. Documentation The test report must always be reproduced in full; reproduction of an excerpt only is subject to written approval of the testing laboratory. The documentation of the testing performed on the tested devices is archived for 10 years at Telefication Netherlands. Testing Location Test Site Kiwa Telefication BV Test Site location Wilmersdorf 50 7327 AC Apeldoorn The Netherlands Tel. +31 88998 3393 Test Site FCC NL0001 Report number: 201001435 001 Ver 1.0 Page 2 of 38 Revision History Version Date Remarks By v0.50 22-04-2021 First draft K.K. v1.00 30-04-2021 Release version K.K. v2.00 02-07-2021 Updated Applicant and trademark K.K Report number: 201001435 001 Ver 1.0 Page 3 of 38 Table of Contents Revision History .............................................................................................................................................. 2 Summary of Test results .................................................................................................................................. 5 1 General Description ................................................................................................................................. 6 1.1 Applicant ................................................................................................................................................ 6 1.2 Manufacturer ........................................................................................................................................ 6 1.3 Tested Equipment Under Test (EUT) ..................................................................................................... 6 1.4 Product specifications of Equipment under test ................................................................................... 7 1.5 Environmental conditions...................................................................................................................... 7 1.6 Measurement standards ....................................................................................................................... 7 1.7 Applicable standards ............................................................................................................................. 7 1.8 Observation and remarks ...................................................................................................................... 7 1.9 Conclusions ............................................................................................................................................ 8 2 Test configuration of the Equipment Under Test ..................................................................................... 9 2.1 Test mode .............................................................................................................................................. 9 2.2 Test setups ............................................................................................................................................. 9 2.3 Equipment used in the test configuration ........................................................................................... 10 2.4 Sample calculations ............................................................................................................................. 10 3 Test results ............................................................................................................................................ 11 3.1 Radiated spurious emissions ............................................................................................................... 11 3.1.1 Limit ................................................................................................................................................. 11 3.1.2 Measurement instruments ............................................................................................................. 11 3.1.3 Test setup ........................................................................................................................................ 11 3.1.4 Test procedure ................................................................................................................................ 11 3.1.5 Measurement Uncertainty .............................................................................................................. 11 3.1.6 Plots of the Radiated Spurious Emissions Measurement ................................................................ 12 3.2 6dB bandwidth Measurement ............................................................................................................. 22 3.2.1 Limit ...............................................................................................................................…

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Page 1 of 5 Test Setup Photo Module Product name : Smart Shower FCC ID : 2AYZV-0000KSS ISED ID : 27009-0000KSS Test report No. 201001435 Test report No. 201001435 Page 1 of 5 Contents 1 Test Setup Photos .................................................................................................................................... 2 1.1 Radiated emissions measurement 9 kHz – 30 MHz .............................................................................. 2 1.2 Radiated emissions measurement 30 – 1000 MHz ............................................................................... 3 1.3 Radiated emissions measurement 1 – 18 GHz ...................................................................................... 4 1.4 Radiated emissions measurement 18 – 26 GHz .................................................................................... 5 Test report No. 201001435 Page 2 of 5 1 Test Setup Photos 1.1 Radiated emissions measurement 9 kHz – 30 MHz Test report No. 201001435 Page 3 of 5 1.2 Radiated emissions measurement 30 – 1000 MHz Test report No. 201001435 Page 4 of 5 1.3 Radiated emissions measurement 1 – 18 GHz Test report No. 201001435 Page 5 of 5 1.4 Radiated emissions measurement 18 – 26 GHz