EASY INSTALLATION- This wireless trailer light magnetic LED has a built-in battery and can be mounted on the left and right rear of a car's metal, Powerful magnetic base grips tightly while driving . PROFESSIONAL DESIGN- Wireless trailer lights offering versatility in location and operation with no wiring restrictions, these trailer lights magnetic wireless light bars have a built-in antenna that provides a working range of over 100 feet (30.5 meters) and a signal transmitter that keeps you and others around you safe when you need to use your trailer lights while towing, whether it's at night or during the day. EXCELLENT QUALITY- The magnetic base is made of stronger PC, which provides great insulation, impact and shock resistance, weather resistance, waterproof IP67 design, strong fog permeability, dustproof and anti-corrosion, working temperature -20~65, can also work normally in weather conditions, service life up to 50,000 hours WIDE APPLICATION- The wireless taillight features a magnetic base that adheres to most metal surfaces, just plug the 7-pin transmitter into your 7-way connector and position the wireless LED tow light to mount on your vehicle. Suitable for , campers, boat trailers, utility trailers, trailers, farm equipment or Jet ski, etc. Material: PC colour: red Package Contents: 2 x LED Rear Tail light 1 x Charging Adapter 1 x 7 Pin Transmitter 1 x USB Cable 1 x Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.