RHU-DBFLR01DRYBUDDYFLEX RECEIVER

Page 1 of 10 DRAFT CONFIDENTIAL INSTRUCTION MANUAL FOR DryBuddyFLEX INTRODUCTION The DryBuddyFLEX consists of three important parts: 1. The DryBuddyFLEX Sensor, 2. The DryBuddyFLEX Remote, and 3. The DryBuddyFLEX Receiver. THE DryBuddyFLEX SENSOR The Sensor is the part that detects urine or other body fluids when used appropriately. To sense when a patient urinates, the user has the flexibility to use the Sensor in one of two ways: 1. The Sensor is attached to standard cotton briefs using the magnets on one side of the Sensor and a magnetic Cap which clamps the sensor to the briefs at the point of urination. 2. The Sensor is attached to special DryBuddy wired briefs using the snaps on one side of the Sensor. These wired briefs are used in place of standard briefs. Page 2 of 10 Depending on how the Sensor will be used, a Cap and/or special wired Briefs will be needed to allow the Sensor to detect urination. Using the Sensor with its Cap The Sensor is attached to standard cotton briefs at the point of urination by placing the Cap on the inside of the briefs (touching the patient's skin), and the magnets of the Sensor opposite the Cap and on the outside of the briefs. In the case of male briefs that have a “flap” (opening for urination) the Sensor should be placed towards the bottom of the opening and on the inside layer of cloth. When the patient urinates, the urine is absorbed by (soaks into) the cotton briefs. When the material of the briefs between the two magnets is wet, the sensor will be triggered and a wireless ON signal sent to the Receiver. Removing the Sensor’s magnets from the wet briefs stops further transmission. Using the Sensor with DryBuddy Wired Briefs Page 3 of 10 After the patient wears the DryBuddy wired Briefs, the Sensor’s male snaps are inserted into the female snaps of the Briefs till they are firmly attached, and the Velcro on the briefs attached around the Sensor to help keep it firmly in place. When the patient urinates, the urine is absorbed by (soaks into) the cotton briefs. When the material of the briefs between two adjacent wires is wet, the sensor will be triggered and a wireless ON signal sent to the Receiver. Removing the Sensor from the wet briefs stops further transmission. General Note : When the Sensor senses wetness, it transmits the ON signal for a fraction of a second. This is sufficient to trigger the wireless DryBuddyFLEX Receiver(s) and generate the alarm. The Sensor stays in a sleep state for two minutes, after which time it will again transmit the ON signal if it senses wetness. This will be repeated two (2) times, after which the sensor will stop sending any further ON signals. However, to sense the urine and transmit a signal, the Sensor must sense a quick increase in the wetness level for about one second to be certain that the wetness is being caused by urine and not perspiration or some other gradual factor. The Receiver(s) only need the first ON signal from the Sensor to cause it/them to generate an alarm, and will continue to generate the alarm until the Receiver(s) is/are turned OFF. Further transmission by the Sensor is not needed, and it is advisable to disconnect the sensor from the wet briefs so that the Sensor’s battery power is not wasted with repeated transmissions for the same incident. We recommend that the sensor be promptly removed from the wet briefs. Before washing/cleaning the Sensor, please be certain to turn the entire system OFF by pressing the Remote’s OFF switch twice (2 times), or manually pressing the MPS button on the Receiver. THE DryBuddyFLEX REMOTE The purpose of the DryBuddyFLEX Remote is to make using the DryBuddyFLEX system convenient for the caregiver/parent, and thereby help the patient (child). The DryBuddyFLEX Remote is used to remotely turn the Receiver(s) ON to their READY state. When the Receiver(s) are OFF, pressing the Remote ON button once, will turn ALL Receivers ON to their READY state. Page 4 of 10 When the alarms are sounding, pressing the OFF button on the Remote once will turn ALL alarms OFF. This applies to ALL alarms attached to ALL Receivers. The Receivers are now silent but in their READY state. When the Receivers are not sounding their alarms, pressing the OFF button on the Remote will turn ALL receivers completely OFF. The Receivers will need to be turned ON to their READY state to be used further. THE DryBuddyFLEX RECEIVER The DryBuddyFLEX Receiver receives signals from the DryBuddyFLEX Sensor, DryBuddyFLEX Remote, and other DryBuddyFLEX Receivers that are part of the installed DryBuddyFLEX system. Each DryBuddyFLEX system uses a specific and original code associated with its Sensor and Remote. Each DryBuddyFLEX Receiver in the system is pre‐set to link with (be synchronized with, or work with) this specific Sensor and Remote. If the Sensor or Remote are changed, or if any Receiver is changed or added to the system, the Receiver(s) must be re‐set to link with the specific Sensor and Remote that are being used. DryBuddyFLEX Receiver Setup: Plug the receiver into a 110V‐120V AC 60Hz power outlet. This is the typical wall power outlet found in homes and buildings in the U.S.A, Canada, and some other countries. The Receiver will be OFF, and no LED lights will be on. 1. To turn the Main Power Supply (MPS) on , manually press the MPS switch on the Receiver once, or press the ON button at the bottom of the Remote. A single beep will sound, and the LED at the bottom right of the Receiver will turn Blue. This single Blue light indicates that the Receiver is in its READY state, and can receive the Sensor signal which would turn its alarm(s) on. 2. To turn the MPS off , manually press the MPS switch once, or press the OFF button at the top of the Remote. The Blue light on the Receiver will turn off. The Receiver is now OFF, and will not receive Sensor signals or activate any alarms. Page 5 of 10 3. To set the Volume of the Receiver’s built‐in speaker , press the + button (on right side) or the – …

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1. Block Diagram of DBFLR01 Hardware Structure and Function PCB Antenna Wire Antenna Key Input LED Indicator MCU Core Unit Internal RC Oscillator：16MHz AC Switch Power Supply： Voice Output DC12V Output ASK RF Transmitter Oscillator:13.560MHz Internal PLL to 433.92MHz ASK RF Receiver Oscillator:423.22MHz

Enuresis Solutions, LLC FCC ID NO.: RHU-DBFLR01 POWER OF ATTORNEY 2013-1-31 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize EST Compliance Laboratory Limited (Ronnie Liu) on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by EST Compliance Laboratory Limited (Ronnie Liu) on our behalf shall have the same effect as acts of our own. This authorization expires on May. 28, 2013. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, Enuresis Solutions, LLC are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Kaiomars P. Anklesaria President Tel: 912-352-8854 Fax: 912-352-8854

Page 20 of 24 FCC ID: RHU-DBFLR01 EST COMPLIANCE LABORATORY LIMITED REPORT NO.: ESTSZ130101206F APPENDIX A - EUT PHOTOGRAPHS EUT - Front View EUT - Back View

FCC ID Label Sample for FCC ID: RHU-DBFLR01 FCC Note: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

The proposed Label Location on EUT Proposed FCC ID Label Location (FCC ID: RHU-DBFLR01)

Page 21 of 24 FCC ID: RHU-DBFLR01 EST COMPLIANCE LABORATORY LIMITED REPORT NO.: ESTSZ130101206F EUT - Inside View EUT - Antenna View Page 22 of 24 FCC ID: RHU-DBFLR01 EST COMPLIANCE LABORATORY LIMITED REPORT NO.: ESTSZ130101206F EUT - Inside View EUT - Inside View Page 23 of 24 FCC ID: RHU-DBFLR01 EST COMPLIANCE LABORATORY LIMITED REPORT NO.: ESTSZ130101206F EUT - Inside View

Circuit Description of DBFLR01 1.MCU: It is the core unit.It can realize function control of system and communicate with other units.The internal RC frequency is 16MHz. 2 RF Transmitter:perform encode ,modulation and transmitting.The crystal frequence is 13.56MHz.and internal PLL to 433.92Mhz. 3 RF Receiver:perform decode,demodulation and receive.The crystal frequence is 423.22MHz. 4 , Match NET: RF signal and the antenna impedance matching. 5 , Antenna is on the PCB. The antenna gain is 0dBi. 6 Key Input: detect the user operation if key pressed 7 LED indicator:Display the current work station. 8 Voice Ouput:Including voice play ,volume adjust,voice amplify and a speaker. 9 Power Supply: Providing power for the product operating.

12345678 A B C D 87654321 D C B A E2 22uF/400V R12 390R C4 0.1uF CY1 Y1,2.2nF D3 SB3100 E4 PSR 1000uF/25V AC_N AC_L GND 1 VOUT 2 VIN 3 IC2 7805 C2 0.1uF L2 1mH/350mA VAR1 10K471 D4LLUF4007 E6 220uF/10V C16 1uF C3 0.1uF R8 10K RST C20 10uF 433M接收模块 E1 10uF/400V 1 L1 1 N1 SW1 SW3 SW2 SW4 K_MPS K_ATS K_Dn K_Up RED_LED GRN_LED R15 1K R14 1K E8 220uF/16V LED2 BLUE R16 1K BLUE_LED GAIN 1 -INPUT 2 +INPUT 3 GND 4 VOUT 5 VS 6 BYPASS 7 GAIN 8 IC7 LM386L-S08-R 1 2 CN6 Speaker C21 47nF R21 10R VDD K_MPS K_ATS K_Dn K_Up VDD RED_LED GRN_LED BLUE_LED C5 0.1uF C15 1uF VDD SWIM VCAP VDD D5 LL4148 C13 10uF/10V 1 2 3 4 CN4 SWIM RST VDD 12V E5 PSR 100uF/25V LOADCTR LOADCTR 1 2 3 CN2 Q1 DTS2306 R13 1K 12V FUSE1 3.15A EN/VU 1 BP/M 2 D 4 S 5 S 6 S 7 S 8 IC1 TNY278PN D1 SMBJ150A R1 1K R6 100R C1 10nF/1KV D2 FR107 IC5 PC817A 13*2010*17 3 1 8 6 5 4 NC 2 T1 R7 1R E3 33uF/35V R11 47R R10 8.06K 1% FB1 ZD1 ZMM11B 13*20 6.3*11 6.3*11 1 2 3 CN1 K1 K2 A LED1 C6 0.1uF C19 1uF C17 10uF/10V PLAY/STOP AC 2 V+ 4 AC 3 V- 1 BR1 RANT INT_RF UART1_CK/TIM2_CH1/BEEP/(HS)PD4 1 UART1_TX/AIN5/(HS) PD5 2 UART1_RX/AIN6/(HS) PD6 3 NRST 4 OSCIN/PA1 5 OSCOUT/PA2 6 VSS 7 VCAP 8 VDD 9 [SPI_NSS] TIM2_CH3/(HS) PA3 10 PB5 (T)/ I2C_SDA [TIM1_BKIN] 11 PB4 (T)/I2C_SCL [ADC_ETR] 12 PC3 (HS)/TIM1_CH3 [TLI] [TIM1_CH1N] 13 PC4 (HS)/TIM1_CH4/CLK_CCO [AIN2] [TIM1_CH2N] 14 PC5 (HS)/SPI_SCK [TIM2_CH1] 15 PC6 (HS)/SPI_MOSI [TIM1_CH1] 16 PC7 (HS)/SPI_MISO [TIM1_CH2] 17 PD1(HS)/SWIM 18 PD2 (HS) [AIN3] [TIM2_CH3] 19 PD3 (HS)/AIN4/TIM2_CH2/ADC_ETR 20 IC4 STM8S103F3 INT_RF TDATA TDATA R2 1K GND 1 VOUT 2 VIN 3 IC3 HT7533-1 3.3V E7 100uF/10V 3.3V 1 2 3 4 5 CN5 C7 0.1uF R4 1K TG2/RST 1 TG1 2 TG3 3 VDDL 4 PWM- 5 VDD 6 PWM+/DAC 7 VSS 8 IC6 WTH040-8S VDDVDD PLAY/STOP V1in 1 V1out 2 GND 3 DATA 4 CLK 5 VCC 6 V2out 7 V2in 8 IC8 IC/M62429 C10 1uF C9 1uF/16V VDD DATACLK DATA CLK D7 LL4148 C11 1nF R5 470K R9 47K BUZ BUZ R17 TPWR_CTR C14 27pF C12 27pF C18 2.7pF C22 100pF L3 470nH L4 68nH XOUT XIN C24 5pF C8 0.1uF PAOUT 1 VSS 2 VDD 3 XTLOUT 4 XTLIN 5 ASK 6 IC9 F113X1 13.560M R18 100K R3 1K R19 10K Q2 TPWR_CTR ANT 12V R20 0R The Internal RC Oscillator frequency:16MHz

Page 1 of 24 FCC ID: RHU-DBFLR01 EST COMPLIANCE LABORATORY LIMITED REPORT NO.: ESTSZ130101206F FCC/IC TEST REPORT For Enuresis Solutions, LLC DryBuddyFLEX Receiver Model No.: DBFLR01 Test Report Number : ESTSZ130101206F EST COMPLIANCE LABORATORY LIMITED 4/F, 7 th Building, Xinyuan Industrial Park, Xinguang Road, Xili, Nanshan District, Shenzhen 518055, China Tel:+86-755-26648640 Fax:+86-755-26648637 Page 2 of 24 FCC ID: RHU-DBFLR01 EST COMPLIANCE LABORATORY LIMITED REPORT NO.: ESTSZ130101206F TABLE OF CONTENTS 1 - GENERAL INFORMATION ....................................................................................................................... 3 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................................................... 3 1.2 TEST STANDARDS ....................................................................................................................................................... 3 1.3 TEST SUMMARY .......................................................................................................................................................... 4 1.4 TEST METHODOLOGY .................................................................................................................................................. 4 1.5 TEST FACILITY ............................................................................................................................................................ 4 1.6 TEST EQUIPMENT LIST AND DETAILS ............................................................................................................................. 5 2 - TEST PROCEDURE .................................................................................................................................. 6 3 DISTURBANCE VOLTAGE AT THE MAINS TERMINALS ........................................................................ 7 3.1 MEASUREMENT UNCERTAINTY ...................................................................................................................................... 7 3.2 REQUIREMENTS: ......................................................................................................................................................... 7 3.3 EUT SETUP ............................................................................................................................................................... 7 3.4 INSTRUMENT SETUP .................................................................................................................................................... 7 3.5 TEST PROCEDURE ...................................................................................................................................................... 8 3.6 SUMMARY OF TEST RESULTS ....................................................................................................................................... 8 3.7 DISTURBANCE VOLTAGE TEST DATA ............................................................................................................................. 8 3.8 TEST RESULTS ........................................................................................................................................................... 8 4- MANUALLY ACTIVATED TRANSMITTER .............................................................................................. 11 4.1 REQUIREMENTS (15.247(A)): ..................................................................................................................................... 11 4.2 TEST SETUP ............................................................................................................................................................. 11 4.3 TEST DATA ............................................................................................................................................................... 11 5- OCCUPIED BANDWIDTH ........................................................................................................................ 12 5.1 REQUIREMENTS: ....................................................................................................................................................... 12 5.2 TEST SETUP ............................................................................................................................................................. 12 5.3 TEST DATA ............................................................................................................................................................... 12 6- RADIATED EMISSION ............................................................................................................................. 14 6.1 REQUIREMENTS: ....................................................................................................................................................... 14 6.2 TEST SETUP ............................................................................................................................................................. 15 6.3 TEST RESULTS ......................................................................................................................................................... 15 6.4 TEST DATA ............................................................................................................................................................... 16 APPENDIX A - EUT PHOTOGRAPHS ......................................................................................................... 20 EUT - FRONT VIEW ........................................................................................................................................................ 20 EUT - BACK VIEW .......................................................................................................................................................... 20 EUT - INSIDE VIEW ........................…

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Page 24 of 24 FCC ID: RHU-DBFLR01 EST COMPLIANCE LABORATORY LIMITED REPORT NO.: ESTSZ130101206F APPENDIX B. TEST SETUP PHOTOGRAPHS Conducted Emission Radiated Emission