4 HIGH OUTPUT LEDs CHIP: Our new Covert Series hideaway strobe lights are brighter and more effective than its previous version. Greatly improves safety and visibility in emergencies. QUICK MODE CONTROL SYSTEM: Easy to switch between 20 different patterns and Quick-Select buttons for directional patterns. UNIVERSAL USE: Universal fit for all emergency hazard vehicles with a 12V power source. 1 INCH HOLE DRILLING REQUIRE: Easily replaces traditional hideaway strobe with existing 1" hole, mounts onto any 1" hole in headlights, fog light, tail lights and other various light assemblies. EXTRA ACCESSORIES SOLD SEPARATELY: Extension 10FT Cable Wire; Replacement Amber LED Light Bulb. (Please notice that we are not responsible for compatibility issues with other brands and they only fit for Xprite 52013 Covert Series hideaway strobe lights kit.)