2A6NK-LXT4BTOWLIGHT

Hundar Light-Duty Wireless Towlight Guide to Operations Thank you for purchasing a Hundar Wireless Towlight! System Features: • Your complete system should include: o The Light, Transmitter (the sending unit that plugs into the truck), and a Cigarette Lighter Charge Cord (DC charger). • High performance electronics provide optimum range and reliability. o 1,000 feet of ‘line-of-sight’ range. o Steady,Left chaser ,Right chaser,reverse and brake more bright . o Injection molding keeps the electronics completely sealed from the elements such as moisture, corrosion, or vibration damage. • Lifetime Warranty o Covers Electronics and LED’s ▪ If ever the light fails to get a signal or an LED burns out, Hundar will replace the defective component at no cost. • Dimenison o Towlight dimension 55 X 7.5X 7CM Total Weight 2kg. General Operating Tips: 1. First, plug the transmitter into the receptacle on the truck. 2. Power the light on by flipping the On/Off switch to the ‘On’ position. a. The light will go through a brief flash sequence indicating what series of electronics are in the unit (useful when servicing or replacing parts). 3. The Light should now be fully operational for Wireless S/T/T signals. 4. Use the 12VDC power cord provided to recharge the unit. a. It takes 6-8 hours to fully recharge the battery in the light. b. You cannot overcharge the unit off of the trucks 12V system. c. The battery in the unit should have a total life of 1-2 years. i. If a battery dies prior to the expected 12 month lifetime, Hundar may choose to warranty (generally under 6 months), or pro-rate (6- 12 months), the replacement. ii. If your light appears to have a low battery or will not take a charge, be sure that the fuse in the tip of the charge cord plug is still intact. If it is blown, replace with a 10-20 amp fuse. d. Working time 20-24 hours (full charge) e. Power of towlight 3.2w f. Wireless transmission 20-50m g. Frequency of transmitter 433mhz 5. Always check to be sure that the light is securely fastened to the load you are hauling. 4-Pin Wiring 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. 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

WENZHOU Hongda Police Equipment Shares CO.,LTD Add: Zengshan Industrial Zone,Taoshan Town,Ruian City, Wenzhou City,Zhejiang, China Date: 2022-4-27 FCC ID: 2A6NK-LXT4B Dear Sir/Madam, We, WENZHOU Hongda Police Equipment Shares CO.,LTD Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model: Product name: TOWLIGHT Model no.: TOWLIGHT LXT4B-4, LXT4B-1-2, TOWLIGHT-2, HDtow21, HDPair7 Sincerely, Name/Title： NINAN ZHANG/Manager Company: WENZHOU Hongda Police Equipment Shares CO.,LTD Address: Zengshan Industrial Zone,Taoshan Town,Ruian City, Wenzhou City,Zhejiang, China Phone: 8613302910813 Fax: N/A E-Mail: [email protected]

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2022-4-27> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2A6NK-LXT4B TOWLIGHT LXT4B-4 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： NINAN ZHANG/Manager Company: WENZHOU Hongda Police Equipment Shares CO.,LTD Address: Zengshan Industrial Zone,Taoshan Town,Ruian City, Wenzhou City,Zhejiang, China Phone: 8613302910813 Fax: N/A E-Mail: [email protected]

WENZHOU Hongda Police Equipment Shares CO.,LTD Zengshan Industrial Zone,Taoshan Town,Ruian City, Wenzhou City,Zhejiang, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2022-4-27 To whom it may concern: We, WENZHOU Hongda Police Equipment Shares CO.,LTD the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2A6NK-LXT4B including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： NINAN ZHANG/Manager Company: WENZHOU Hongda Police Equipment Shares CO.,LTD Address: Zengshan Industrial Zone,Taoshan Town,Ruian City, Wenzhou City,Zhejiang, China Phone: 8613302910813 Fax: N/A E-Mail: [email protected]

FCC ID: 2A6NK-LXT4B External Photos of the EUT FCC ID: 2A6NK-LXT4B

FCC ID: 2A6NK-LXT4B Label and Location Size: L: 3.0cm*W: 2.5cm Label and Location TOWLIGHT Model No.: TOWLIGHT LXT4B-4 FCC ID: 2A6NK-LXT4B

FCC ID: 2A6NK-LXT4B Internal Photos of the EUT Antenna FCC ID: 2A6NK-LXT4B

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China FCC PART 15 SUBPART C TEST REPORT FCC PART 15.231 Report Reference No. ..................... : FCC ID. ........................................... : CTA22040600101 2A6NK-LXT4B Compiled by ( position+printed name+signature) .. : File administrators Kevin Liu Supervised by ( position+printed name+signature) .. : Project Engineer Kevin Liu Approved by ( position+printed name+signature) .. : RF Manager Eric Wang Date of issue ..................................... : Apr. 25, 2022 Testing Laboratory Name .............: Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : WENZHOU Hongda Police Equipment Shares CO.,LTD Address ............................................ : Zengshan Industrial Zone,Taoshan Town,Ruian City,Wenzhou City,Zhejiang Test specification ...........................: Standard ........................................... : FCC Part 15.231 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : TOWLIGHT Trade Mark ....................................... : HUNDAR Manufacturer .................................... : WENZHOU Hongda Police Equipment Shares CO.,LTD Model/Type reference....................... : TOWLIGHT LXT4B-4 Listed Models .................................. : LXT4B-1-2, TOWLIGHT-2, HDtow21, HDPair7 Ratings ............................................. : DC 12.0V From external circuit Modulation ....................................... : ASK Frequency .......................................... 433.9988MHz Result................................................ : PASS Report No.: CTA22040600101 Page 2 of 22 T E S T R E P O R T Equipment under Test : TOWLIGHT Model /Type : TOWLIGHT LXT4B-4, Listed Models : LXT4B-1-2, TOWLIGHT-2, HDtow21, HDPair7 Model Declaration : PCB board, structure and internal of these model(s) are the same, So no additional models were tested. Applicant : WENZHOU Hongda Police Equipment Shares CO.,LTD Address : Zengshan Industrial Zone,Taoshan Town,Ruian City,Wenzhou City, Zhejiang Manufacturer : WENZHOU Hongda Police Equipment Shares CO.,LTD Address : Zengshan Industrial Zone,Taoshan Town,Ruian City,Wenzhou City, Zhejiang Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA22040600101 Page 3 of 22 Contents 1 T E S T S T A N D A R D S .................................................................. 4 2 S U M M A R Y ............................................................................. 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Equipment Under Test 5 2.4 Short description of the Equipment under Test (EUT) 5 2.5 Block Diagram of Test Setup 5 2.6 Special Accessories 5 2.7 Related Submittal(s) / Grant (s) 6 2.8 Modifications 6 3 T E S T E N V I R O N M E N T ............................................................... 7 3.1 Address of the test laboratory 7 3.2 Test Facility 7 3.3 Environmental conditions 7 3.4 Summary of measurement results 8 3.5 Statement of the measurement uncertainty 8 3.6 Equipments Used during the Test 9 4 T E S T C O N D I T I O N S A N D R E S U L T S ............................................ 10 4.1 AC Power Conducted Emission 10 4.2 Radiated Emission 11 4.3 20dB Bandwidth 15 4.4 Deactivation Time 16 4.5 Antenna Requirement 17 5 TES T S E T U P P H O T O S O F TH E E U T .......................................... 18 6 P H O T O S O F T H E E U T ............................................................. 19 Report No.: CTA22040600101 Page 4 of 22 1 T E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules Part 15.231:Periodic operation in the band 40.66-40.70 MHz and above 70 MHz. ANSI C63.10:2013 : American National Standard for Testing Unlicensed Wireless Devices Report No.: CTA22040600101 Page 5 of 22 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : Apr. 12, 2022 Testing commenced on : Apr. 12, 2022 Testing concluded on : Apr. 25, 2022 2.2 Product Description Product Name: TOWLIGHT Model/Type reference: TOWLIGHT LXT4B-4 Testing sample ID： CTA220406001-1# (Engineer sample), CTA220406001-2#(Normal sample) Power supply: DC 12.0V From external circuit Modulation: ASK Operation frequency: 433.9988MHz Channel number: 1 Antenna type: Internal antenna Antenna gain: 0 dBi 2.3 Equipment Under Test Power supply system utilised Power supply voltage : ○ 230V / 50 Hz ○ 120V / 60Hz ● 12 V DC ○ 24 V DC ○ Other (specified in blank below) / 2.4 Short description of the Equipment under Test (EUT) This is a TOWLIGHT. For more details, refer to the user’s manual of the EUT. 2.5 Block Diagram of Test Setup 2.6 Special Accessories Follow auxiliary equipment(s) test with EUT that provided by the manufacturer or laboratory is listed as follow: Description Manufacturer Model Technical Parameters Certificate Provided by / / / / / / / / / / / / EUT Report No.: CTA22040600101 Page 6 of 22 2.7 Related Submittal(s) / Grant (s) This submittal(s) (test report) is intended for the device filing to comply with Section 15.231 of the FCC Part 15, Subpart C Rules. 2.8 Modifications No modifications were implement…

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FCC ID: 2A6NK-LXT4B Test Setup Photos of the EUT