Super bright beacon light: 12*1W super bright LEDs with with Durable PC Lens, 360 degrees of coverage. keep security in fog, rain or snow and other low visibility area EASY INSTALLATION: comes with strong magnets (Test go up to 60mph but not fall off) and 12V-24V cigarette plug . Just need attach the strong magnets on any metal exterior of cars and plug the cigarette plug. FLASH PATTERNS: 4 different flash patterns: rotating, fast , normal, slowly PANEL DIMENSIONS: 5.11" (W) x 3.54" (D) x 2.55" (H) / Cable length: Straight 16 FT with on/off power and independent control switch, plug and play Compatible with all those vehicles equipped with a 12-24V volt cigarette adapter. Great for emergency vehicles, postal service, construction vehicle, Truck Vehicle, Forklift, Tractor, Golf Carts, UTV Car, School Bus and safety warning etc.