Ultra-thin waterproof, high quality, better heat dissipation and unlimited installation possibilities. Anti-collision, dustproof and splash-proof / No pollution, no noise, no electronic interference, lower power consumption 24 super bright LEDs, up to 50,000 hours lifespan, wide visibility angle and high intensity strobe. Universal for 12-24V all cars, off-road vehicles, trucks, engineering vehicles (excavator, treedozer, road roller, bulldozer, crane and mining truck, etc.). For special vehicles (fire engines, police cars, rescue vehicles, communication vehicles, command vehicles), forklifts, trains, ships, boats, buses and tanks There are two lighting modes: constantly mode and strobe mode. The red cable connects to the positive. The black cable connects to the negative. Yellow cable connection negative change flashing mode. (When the yellow line touches the red line, the mode changes. When the yellow line is released, the mode is fixed.) Voltage: 12V-24V Power: 72W (3W / LED) Cable