HIGH BRIGHTNESS LEDs - PKINGLAKE Sync Feature Emergency Strobe Grille Lights use 12-pcs of high-intensity, high-power LED chips to enhance the warning range to 700FT. LED Lifespan up to 50,000 Hours.

APPLICATIONS - This strobe light is suitable for postal and city service workers or emergency cars and trucks, construction vehicles,tractors, snowplows or any 12V-24V vehicles. Improve drive security and avoid accidents.

FLASH SYNC FEATURE - RED line-positive, BLACK line-negative, YELLOW line-Pattern Selection. YELLOW wire touches RED for less than 1s to the next mode. The WHITE wire connects to the YELLOW wire of the next light for flash synchronization.

STROBE MODE SELECTION - This LED strobe lights with 21 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.

EASY INSTALLATION - 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.

HIGH QUALITY - Long-lasting aluminum alloy housing with scratch resistant high transmittance PC lens. Enclosed design to withstand harsh rain, snow, fog and other weather.