Specification:Model Number: H37069Product Name: Wireless Magnetic Trailer Tail LightMaterial: GPPS+AAS+PP+ABS+IronShell & Light Color: Red + Yellow + WhiteLight Color: Red + YellowType: Led Tail LightWaterproof Level: IP65Input Voltage: 5VWorking frequency: 2.4GHzRadio communication range: 30 MetersBattery capacity: 3.7V, 2000 MAHInput Volts Of Transmitter: 12VBattery time: 2-2.5 HrsStandby time: 20 hoursLights Dimensions: 105 mm (4.13") x 105mm (4.13") x 55mm (2.17")5 Functions: stop / flash / position / license plate light / reflectorQuantity: 1 Set w/ 2 lightsFitment: For Trailers, Horse Boxes, Tractors, Boat & Jet Ski Trailers, Bike Racks, etc.Package Includes:2x LED Indicator Sealed Cluster Lights1x Charging Adapter1x USB Cable1x 2.4GHz 7 Pin TransmitterInstruction SheetCarry-On BoxInstallation:Find a car with a trailer socket, and put the transmitter into the socketPress the Engine button and hit the brake. In the meanwhile, turn on the white switch of the lamp, and hold the switch until the low LEDs flash 3 timesDo the same for the other lamp.