Features: Super Magnetic Design: wireless trailer led lights have a magnetic basE, easy to install and remove without wiring. The transmitter provides a working range of 100 feet. It allows the taillight to easily attach to the rear of the trailer, perfectly solving the problem of shortening the life of the taillight due to damage wires and poor contact. Rechargeable & Rainproof: Magnetic towing lights use built-in batteries. The USB cables can be charged at the same time and reused without buying batteries, saving energy. Quality Materials: Portable tail lights are made of quality plastic that is insulated, impact and shock proof. High Bright: High intensitys LED with clear, offer high visibility in day and night, rainy or foggy days. Safety and Wide Application: Trailer lights led kit compliant with DOT standards, LED bulbs are brighter than ordinary models, suitable for long-term use, and improve driving safety at night. Superior Visibility, No Glares. Universal for truck, trailer，semi-trailer，boat trailer, Dump Truck，boat, bus, Van, snowmobile, Campers, etc. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Transmitter input voltage: 12V/24V Light input voltage: DC5V USB Frequency: 2.4GHZ Battery: 3.7V 2000MAH Package List: 1 Set LED Truck Car Tail Lights