2PCS Wireless Magnetic LED Truck Tail Light Rear Signal Lamps. Wireless Magnetic Trailer Tail Lights with strong magnets and IP65 waterproof rating. Designed for trailers, tractors, horse boxes, boat & jet ski trailers, and bike racks. Each light features 5 functions: stop, flash, position, license plate light, and reflector. No tools are required for installation. The lights can be easily swapped between vehicles or machinery.Application Notes:When powering for the first time, hold the power button on both lamps simultaneously to pair them.Specifications:Model Number: H37069Material: GPPS, AAS, PP, ABS, IronShell & Light Color: Red, Yellow, WhiteType: LED Tail LightWaterproof Level: IP65Input Voltage: 5VWorking Frequency: 2.4GHzRadio Communication Range: 30 metersBattery Capacity: 3.7V, 2000mAhInput Voltage of Transmitter: 12VBattery Life: 10 hours (100%), 5 hours (50%), 2 hours (25%)Charging Time: 2–2.5 hoursStandby Time: 20 hoursDimensions: 105mm x 105mm x 55mmPackage Includes:2 x LED Indicator Sealed Cluster Lights1 x Charging Adapter1 x USB Cable1 x 2.4GHz 7-Pin TransmitterInstruction SheetCarry-On BoxInstallation Notes:Insert the transmitter into the trailer socket.Press the engine button and brake simultaneously. Turn on the white switch on the lamp and hold until LEDs flash three times.Repeat for the second lamp.