NoteIf you can't buy in your area, please contact our customers for adjustment Additional application notes: When powering them for the first time make sure to hold the power button on both lamps simultaneously in order to pair them. Specification: Model Number: H37069 Product Name: Wireless Magnetic Trailer Tail Light Material: GPPS+AAS+PP+ABS+Iron Shell&Light Color: Red + Yellow + White Light Color: Red + Yellow Type: Led Tail Light Waterproof Level: IP65 Input Voltage: 5V Working frequency : 2.4GHz Radio communication range: 30 Meters Battery capacity : 3.7V ,2000 MAH Input Volts Of Transmitter: 12V Battery Life: 100% = 10hrs , 50% = 5hrs , 25%= 2hrs Charging time : 2-2.5 Hrs Standby time: 20 hours Lights Dimensions : 105 mm (4.13") x 105mm ( 4.13") x 55mm (2.17") 5 Functions: stop / flash / position / license plate light / reflector Quantity: 1Set w/ 2 lights Fitment: For Trailers,Horse Boxes,Tractors,Boat & Jet Ski Trailers,Bike Racks , etc. Features: - No more wires! - Waterproof, strong lighting. - Each lamp has a magnet behind it for added stability. - Perfect for all trailer users especially the farmer. - Each unit has the strongest magnet on the market so you can feel confident you can drive over any terrain without having to worry if the tail light is still attached! - No tools required to attach simply set to the best area you want the light on! - Swap between vehicles and machinery in a matter of seconds. And the best bit is that you dont need any tools to attach it. (Rubber coated magnet to help prevent slipping) Package Includes: 2x LED Indicator Sealed Cluster Lights 1x Charging Adapter 1x USB Cable 1x 2.4GHz 7 Pin Transmitter Instruction Sheet Installation: 1 . Find a car with a trailer socket , and put the transmitter into the socket 2 . Press 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 for 3 times 3 . Do the same for the other lamp Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm) 3.There are no instructions included in this kit.If you want to know how to use or install it,please contact us by Email.We will provide help as much as possible.