Eagle-Eye Emergency Strobe LED Beacon Light (Green) 24, 3 watt Gen 4 LEDs with great heat sink management for long life span. Cigarette plug with 12VDC or 24VDC / Built in flasher with 20+ selectable flash combinations Magnet and screws are included for both magnetic and permanent mounting. Completely Waterproofed, Strong fog penetrability and dust-proof and corrosion resistant. Dimensions: 5.8 x 5.7 x 5.5 inches - 3 year manufacturers defect warranty