Package Included: 12 pieces 4 inch round tail lights for truck that feature 12 bright LEDs; The size of each light is approx. 5 inch diameter grommet ring, 4 inch inner diameter; Fits all standard 4in round applications like heavy duty trucks, trailers, RVs, and boats
Easy to Install: each round marker light comes with 3 leads including white, black and red wire; White is the ground, red is the high brightness for stop light, turn light, brake lights and black for low brightness as tail light or running light
Waterproof and Shockproof: each LED trailer light is watertight sealed which can work well in most weather condition; These stop tail lights are impact resistant and not easy to break; Draw less current, generate less heat, resistant and serviceable
Brighter and Safer Lights: 4" round LED lights are designed with 12 bright red LEDs for improved visibility and safety; With good lighting effect, function as stop, turn, tail and back up lights, light up the back of your vehicle, improving the driver security and avoid accidents
Multifunction Trailer Light: tail lights are compatible with almost all automobiles and devices equipped with an 8-16 volt DC power source such as RV, bus, boat, trailers, campers, semi truck, semitrailer, parade float, horse trailer, utility trailer, pickup truck, UTE, etc., ideal for buses and coaches, camping, fishing, outdoor activities, work sites and mining sites