work truck flashing lights FEATURES: Our led strobe lights for trucks shows an Ultra-Thin Flush Mount design, housed in a slim waterproof Linear polycarbonate lens.Super Bright Lighting, and more Eye-catching Patterns to Improve Visible day and night.Housed in polycarbonate lens and Aluminum Base that will ensure High Temperature resistant not deformed,Over 50,000 hrs life expectancy while consuming less power then standard bulbs. HIGH PERFORMANCE: emergency strobe lights with Constant current PCB for Stable & High quality , Integrated heatsink, and anti-condensation drain port, which greatly improves the problem of condensation inside the lamp. IP68 Completely waterproof, stronger fog permeability, dustproof and anti-corrosion. FLASHING PATTERNS: truck strobe lights with 22 different flashing patterns to choose, including steady, Synchronize/sync，random, and alternating. Also includes Last pattern memory recall ,so you can start where you left. FITMENT: Our cop lights Fits almost any vehicles with 12V-24v power source, including cars, snow plow, pickup trucks, vans, volunteer ,trailers, utv, atv,firefighter ,construction ,etc. EASY TO INSTALL: automotive emergency strobe lights with Ultra-thin design is very easy to install. Supplied with gaskets and screws to mount it to the grille or bumper .The Package coming with installation manuals ) Each unit is packed with 12 High Intensity LEDs Crystal clear lens for more vibrant colors 22 different strobe patterns to choose from Last pattern memory recall Flush mount low-profile design Weatherproof ready for exterior mounting.