Retisee 20 Pcs 4 Inch Round LED Trailer Tail Lights 12 LED Waterproof 4" 12V Brake Stop Turn Tail Marker Trailer Lights Sealed Flush Mount for Truck RV Boat (Red) - TOU-Tail Light-123

• Reliable Visibility and Suitable Size: these round LED tail lights for trucks have 12 bright LED lights that provide visibility, ensuring that your trailer is visible to other drivers on the road. With a 5 inch diameter grommet ring, 4 inch inner diameter, 1.26 inch thickness, the lights fit standard 4 inch round applications like trucks, trailers, RVs, boats Easy to Install: each led round 4 inch tail light comes with 3 wires 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: the round trailer tail light is mainly made of rubber and plastic materials that provide long term use. They are waterproof and shockproof, which means they can withstand harsh weather conditions, vibrations, and impacts while on the road. Draw less current, generate less heat, are resistant and serviceable Bright and Safe: 12 LED bulbs of the 4 inch LED trailer lights provide reliable visibility and safety, ensuring that you have enough lights in case of emergencies or if you have multiple trailers that you need to light up. With good lighting effects, they function as stop, turn, tail and back up lights, light up the back of your vehicle, improving driver security and avoiding accidents Multifunction Trailer Light: 4 inch red led round trailer 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, semi truck, semitrailer, parade float, horse trailer, utility trailer, pickup truck, etc., ideal for camping, fishing, outdoor activities, work sites and mining sites