Features: *1. [Features] Ultra-thin linear LED light bar signal light has high-brightness 15LED diode combination, with better heat distribution, impact-resistant ABS housing and sealed polycarbonate lens for dustproof and IP67 waterproof. *2. [Application] Used for heavy-duty trucks, semi-trailers, freight trailers, boat trailers, work vehicles and wide or narrow land vehicles that require high-quality DOT-level lighting. *3. [Function] It functions as a sign, safety light, side marker, identification light, brake light, turn signal, tail light. *4. [Easy to install] White wire-ground; Red wire-high brightness; Brown wire-low brightness. Description: *1. Number of LEDs: 15LED *2. Working Voltage: 10V-30V *3. Waterproof: IP67 *4. Lifespan: 100,000 hours *5. Material: PC lens + ABS shell *6. Dimensions: 250x27.5x16mm Package Includes: 1 x LED Tail Light 2 x Screw 2 x Nut Note: 1. All pictures have been professionally calibrated, but due to the ambient light and different display device settings, the pictures and items you see may have some deviations, please forgive me. 2. The data is manually measured, there may be some deviations, but it does not affect the use.