Specification:* Material: ABS+PC Glass * Number of leds: 40leds/per light * Lens color: transparent (as pictures show)* Mode 1 red-brake light flashes 5 times and changes constant brightness mode * Mode 2 amber-working light scanning mode * Voltage: 12-30V * Power: 20W * Luminous flux: 500lm * Color temperature: 6500K * Waterproof: IP67* Lifespan: 50000 hours * Length: 5.3"* Size: 35x40x15MM (Approx.) * Application: RV Light Bar Tow Trailer* Fit for any 12-24V vehicles * Wire Connection: Black Wire-Negative, Red Wire-ACC, White Wire-PositiveFeatures:* 2-in-1 Function Lighting: Running Light, Brake Light. Amber scan driving light for driving light, the red light flashes 5 times and turn on solid bright for brake light.*Ultra-Bright: Adopt triple row as a total of 40pcs LED SMD bead design, which makes the light output 100% brighter than normal tail light. The 5.3 inch LED tail light can wake up everyone behind you and make your truck/trailer visible even in the thickest traffic during the day or night.* High-Quality Shell: The shell is made of high-quality ABS plastic, which is not only durable, but also sturdy to use for a long time.* Simple and Reliable: Made of durable, dustproof ABS plastic and acrylic lens, which meets the international standard of IP67. Less worry about waterproof, shockproof, dustproof and rust-proof problems. It is ready for rain, snow, and even -10°F extreme weather.* Application: For use on heavy trucks, semi-trailers, cargo trailers, boat trailers, work vehicles, and wide or narrow overland vehicles requiring DOT quality rated lighting.