Waterproof; Shockproof; Low power consumption; Long lifespan Multi-purpose: Can be used as tail lights, brake lights, reversing lights, turn signal lights, running lights, etc. Universal for cars, trucks, freight cars, yachts, caravans, trailers, boats, etc., which are with 12V / 24V voltage Easy installation, bright, durable; 5 wires: Negative, Brake Light, Tail Light, Indicator, Reverse Light