2AVJP-DSST218SCWT20LED Lamp

LED LAMP LED LAMP

Company: Hangzhou Sky-Lighting CO., Ltd. Add: No.161 North Star-Bridge Road, Linping, Hangzhou, Zhejiang, 311100 China Tel: 0571-86263850 Fax: 0571-86262615 E-mail: [email protected] Declaration of S imilarity FEDERAL COMMUNICATIONS COMMISSIONS Authorizatio n and Evaluation Division 74 35 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Hangzhou Sky-Lighting CO., Ltd., hereby declare that our product name: LED Lamp (model: DSST21-AD8S E26 WIFITYCW, DSA19-AD8S E26 WIFITYCW, DSST19-AD8S E26 WIFITYCW, DSG25-AD8S E26 WIFITYCW, DSG25-AD8S E26 WIFITYW, DSA19-AD8S E26 WIFITYW, DSST19-AD8S E26 WIFITYW, BW223, BW211. FCC ID: 2AVJP-DSST218SCWT20). These models are electrically identical with the PCB design, components and electromagnetic compatibility characteristics. And DSST21-AD8S E26 WIFITYCW has been tested by BACL. The differences of them are as follows: Model name and appearance. DSST21-AD8S E26 WIFITYCW DSST19-AD8S E26 WIFITYCW DSST19-AD8S E26 WIFITYW BW223 BW211 DSA19-AD8S E26 WIFITYCW DSA19-AD8S E26 WIFITYW DSG25-AD8S E26 WIFITYCW DSG25-AD8S E26 WIFITYW We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely Yours, Signature: Typed or Printed Name: Junhong Dong Title: Eng ineer

QA-FR-170-B Company: Hangzhou Sky-Lighting CO., Ltd. Add: No.161 North Star-Bridge Road, Linping, Hangzhou, Zhejiang, 311100 China Tel: 0571-86263850 Fax: 0571-86262615 E-mail: [email protected] FCC Authorization Date: 2020-01-13 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Hangzhou Sky-Lighting CO., Ltd., the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Typed or Printed Name: Junhong Dong Title: Engineer

Company: Hang zhou Sky-Lighting CO., Ltd. Add: No.161 North Star-Bridge Road, Linping, Hangzhou, Zhejiang, 311100 China Tel: 0571-86263850 Fax: 0571-86262615 E-mail: [email protected] FCC Confidential Authorization Date: 2020-01-13 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AVJP-DSST218SCWT20 To : whom it may concern, In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Hangzhou Sky-Lighting CO., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below: Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Typed or Printed Name: Junhong Dong Title: Engineer

EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS Model Name: DSST21-AD8S E26 WIFITYCW, BW223 Series Model: DSA19-AD8S E26 WIFITYCW, DSA19-AD8S E26 WIFITYW, BW211 Series Model: DSST19-AD8S E26 WIFITYCW ,DSST19-AD8S E26 WIFITYW Series Model: DSG25-AD8S E26 WIFITYCW DSG25-AD8S E26 WIFITYW

DSST21-AD8S E26 WIFITYCW ST21,8W,E26,2700K-6500K,800lm 120V,60Hz,105mA, 01/2020 FCC ID2AVJP-DSST218SCWT20 IC:25099-DS8SCWT20 LED LAMP 5HU0 E486203 SUITABLE FOR DAMP LOCATION CONVIENT AUX EMPLACEMENTS HUMIDES

EXHIBIT B - EUT INTERNAL PHOTOGRAPHS Antenna

Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RKSB200113001-00B FCC Part 15.247 Page 13 of 59 FCC §1.1310 & §2.1091 – MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart §2.1091 and subpart §1.1310, 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 Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f²) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Calculated Data: Mode Frequency Range (MHz) Antenna Gain Tune-up Output Power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric)(dBm)(mW) 802.11b 2412~2462 2.00 1.58 17.0050.12 20 0.0158 1.0 802.11g 2.00 1.58 16.5044.67 20 0.0140 1.0 802.11 n-HT20 2.00 1.58 17.5056.23 20 0.0177 1.0 Note: The tune-up output power was declared by the manufacturer. Conclusion: The device meets MPE at distance 20cm.

Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.247 TEST REPORT For Hangzhou Sky-Lighting CO., Ltd. No.161 North Star-Bridge Road, Linping, Hangzhou, Zhejiang, 311100 China FCC ID: 2AVJP-DSST218SCWT20 Report Type: Original Report Product Type: LED Lamp Test Engineer: Jack Jiao Re port Number: RKSB200113001-00B Re port Date: 2020-02-20 Reviewed B y: Oscar Ye EMC Manager Prepared By: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road, Kunshan, Jiangsu province, China Tel: +86-0512-86175000 Fax: +86-0512-88934268 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RKSB200113001-00B FCC Part 15.247 Page 2 of 59 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 9 EXTERNAL I/O CABLE .................................................................................................................................................. 9 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 9 SUMMARY OF TEST RESULTS ............................................................................................................................. 11 TEST EQUIPMENT LIST ......................................................................................................................................... 12 FCC §1.1310 & §2.1091 – MAXIMUM PERMISSIBLE EXPOSURE (MPE) ...................................................... 13 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 14 APPLICABLE STANDARD ............................................................................................................................................ 14 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 14 FCC §15.207 (a) - AC LINE CONDUCTED EMISSIONS ...................................................................................... 15 APPLICABLE STANDARD ............................................................................................................................................ 15 EUT SETUP ................................................................................................................................................................ 15 EMI TEST RECEIVER SETUP ....................................................................................................................................... 15 TEST PROCEDURE ...................................................................................................................................................... 15 FACTOR & OVER LIMIT CALCULATION ...................................................................................................................... 16 TEST RESULTS SUMMARY .......................................................................................................................................... 16 TEST DATA ................................................................................................................................................................ 16 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS ............................................................................. 19 APPLICABLE STANDARD ............................................................................................................................................ 19 EUT SETUP ................................................................................................................................................................ 19 EMI TEST RECEIVER SETUP ..................................................................…

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EXHIBIT C - TEST SETUP PHOTOGRAPHS Conducted Emissions (Front View) Conducted Emissions (Side View) Radiated Emissions (Below 1GHz) Radiated Emissions (Above 1GHz)