2BD62-YZCW10App Lights

LED
Controller
Ble Surplife Android
7.0
or
IOS12.0
or
later DC5V YZ-CW-10 -20~+55°C Visible
distance
30M CE,
RoHS,
FCC 630g 1M*1M/2M*2M...1000M*1000M Working
Temperature Control
Distance Certification Net
Weight Dimensio I.Product
Parameter: Category
Domination
Principle APP Operation
Platform Input
Voltage Supported
Driver
IC n -1 APP LIGHTS (SMART COLOR CHANGING LIGHTS) App & Remote control - IV.
Download
Surplife
APP Download
“Surplife”
APP
from
App
Store
and
Google
Play
Store,

or
scan
the
QR
code. Surplife
APP 2)
Turn
on
the
device
and
enable
your
phone's
bluetooth. V.
How
to
connect
to
Surplife
App? 1)
Register/Login
your
Surplife
account. -4- -5- 3)Enter“
Surplife”
app,
tap“
add
device”
or
click“
+”
to
add
the
device. 4)
Rename
the
device
and
select
a
room
for
it. -6 - FCC WARNING 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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be installed and operated with minimum 20cm distance between the radiator and your body: Use only the supplied antenna. - 7- VI.
Frequently
Asked
Questions Instruction How
to
set
up
your
Bluetooth
LED
curtain
light? .
Enable
your
Bluetooth
on
your
phone. .
Then
power
on
the

LED
curtain
light. .
Open“
Surplife”
App,
the
App
can
directly
connect
to
the
device.
It
can
automatically
match
the
light
without
other
steps,
and
you
can
experience
the
smart
light
simply
and
quickly. How
can
I
do
if
connecting
the
Bluetooth
device
or
adding
new
device
failed? Please
power
off
the

led
strip
light,
then
turn
it
on
again,
if
the
problem
can’t
solve,
please
restart
the
phone. Scan
the“
Instruction”QR
code
to
read
the
electronic

manual Or
enter
the
APP
FAQ
to
learn
more.

(Zhejiang Changshuo Lighting Co., LTD) (December 20, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BD62-YZCW10) [Zhejiang Changshuo Lighting Co., LTD] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) yin zhiqiang (Zhejiang Changshuo Lighting Co., LTD) (December 20, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BD62-YZCW10) [Zhejiang Changshuo Lighting Co., LTD] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) yin zhiqiang

Zhejiang Changshuo Lighting Co., LTD Model Difference Data：December 20, 2023 Product description: App Lights Model name: YZ-CW-10, YZ-CW-20, YZ-CW-30, YZ-CW-40, YZ-CW-50, YZ- CW-100, YZ-CW-200, YZ-CW-300, YZ-CW-400, YZ-CW-500, YZ-CW-600, YZ-CW-700, YZ-CW-800, YZ-CW-900, YZ-CW-1000, YZ-RY-10, YZ-RY-20, YZ-RY-30, YZ-RY-40, YZ-RY-50, YZ-RY-100, YZ-RY-200, YZ-RY-300, YZ-RY- 400, YZ-RY-500, YZ-RY-600, YZ-RY-700, YZ-RY-800, YZ-RY-900, YZ-RY-100 Trade Name: N/A FCC ID: 2BD62-YZCW10 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : yin zhiqiang（manager） Contact information / address：429 Chuanjin Road, Dongcheng Town, Linhai City, Taizhou City, Zhejiang Province, China

Zhejiang Changshuo Lighting Co., LTD (December 20, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (App Lights / YZ-CW-10, YZ-CW-20, YZ-CW-30, YZ-CW-40, YZ-CW-50, YZ-CW-100, YZ-CW-200, YZ-CW-300, YZ- CW-400, YZ-CW-500, YZ-CW-600, YZ-CW-700, YZ-CW-800, YZ-CW-900, YZ- CW-1000, YZ-RY-10, YZ-RY-20, YZ-RY-30, YZ-RY-40, YZ-RY-50, YZ-RY-100, YZ-RY-200, YZ-RY-300, YZ-RY-400, YZ-RY-500, YZ-RY-600, YZ-RY-700, YZ- RY-800, YZ-RY-900, YZ-RY-100 / FCC ID: 2BD62-YZCW10) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: yin zhiqiang Title: manager

Zhejiang Changshuo Lighting Co., LTD (December 20, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: yin zhiqiang Title: manager

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 4 Model: YZ-CW-10 External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 4

FCC ID LABEL: Label Location: FCC ID: 2BD62-YZCW10 Model No.: YZ-CW-10

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: YZ-CW-10 Internal Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 ANT

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BD62-YZCW10 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result BLE GFSK& HCH 0±1 1 1.2589 0.6902 (-1.61dBi) 0.0002 1 Pass

Testing Report 1. EUT appearance 2. EUT setup photo of free space OTA tesing 3. Typical free space efficiency and gain 4. Typical free space radiation pattern Manufacturer:Zhejiang Changshuo Lighting Co., LTD Address:429 Chuanjin Road, Dongcheng Town, Linhai City, Taizhou City, Zhejiang Province, China

TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: App Lights FCC ID: 2BD62-YZCW10 Trademark: N/A Model Number: YZ-CW-10, YZ-CW-20, YZ-CW-30, YZ-CW-40, YZ-CW-50, YZ-CW-100, YZ-CW-200, YZ-CW-300, YZ-CW-400, YZ-CW-500, YZ-CW-600, YZ-CW-700, YZ-CW-800, YZ-CW-900, YZ-CW-1000, YZ-RY-10, YZ-RY-20, YZ-RY-30, YZ-RY-40, YZ-RY-50, YZ-RY-100, YZ-RY-200, YZ-RY-300, YZ-RY-400, YZ-RY-500, YZ-RY-600, YZ-RY-700, YZ-RY-800, YZ-RY-900, YZ-RY-100 Prepared For: Zhejiang Changshuo Lighting Co., LTD Address: 429 Chuanjin Road, Dongcheng Town, Linhai City, Taizhou City, Zhejiang Province, China Manufacturer: Zhejiang Changshuo Lighting Co., LTD Address: 429 Chuanjin Road, Dongcheng Town, Linhai City, Taizhou City, Zhejiang Province, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Dec. 12, 2023 Sample tested Date: Dec. 12, 2023 to Dec. 19, 2023 Issue Date: Dec. 19, 2023 Report No.: CTB231219004RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB231219004RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 35 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 3 2. TEST SUMMARY ........................................................................................................................... 4 3. MEASUREMENT UNCERTAINTY ................................................................................................. 5 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 6 4.1 Product Information .......................................................................................................................... 6 4.2 Test Setup Configuration .................................................................................................................. 6 4.3 Support Equipment........................................................................................................................... 6 4.4 Channel List ..................................................................................................................................... 7 4.5 Test Mode ........................................................................................................................................ 7 4.6 Test Environment ............................................................................................................................. 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................................................... 8 5.1 Test Facility ...................................................................................................................................... 8 5.2 Test Instrument Used ....................................................................................................................... 8 6. AC POWER LINE CONDUCTED EMISSION ................................................................................ 10 6.1 Block Diagram Of Test Setup ......................................................................................................... 10 6.2 Limit ................................................................................................................................................ 10 6.3 Test procedure ............................................................................................................................... 10 6.4 Test Result ..................................................................................................................................... 12 7. RADIATED SPURIOUS EMISSION ............................................................................................. 14 7.1 Block Diagram Of Test Setup ......................................................................................................... 14 7.2 Limit ................................................................................................................................................ 14 7.3 Test procedure ............................................................................................................................... 15 7.4 Test Result ..................................................................................................................................... 16 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 23 8.1 Block Diagram Of Test Setup ......................................................................................................... 23 8.2 Limit ................................................................................................................................................ 23 8.3 Test procedure ............................................................................................................................... 23 8.4 Test Result ......................................................................................................…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: YZ-CW-10 Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions