WOWTOU Emergency Blue Light Bright 12W 16 Flashing Patterns Hazard Warning Dash Deck Windshield Strobe Flash Lighting For Vounteer Firefighter, EMS, EMT, SPV, Ambulances High intensity housing material and angle adjustable design; Unique big lens with 6 x 2W high-power LED as light source, super bright and wide beam angle This warning auto strobe light are compatible with 12 and 24 volt DC Power Sources, easy to mount on the windshield or deck with 4 suction cups and plug into cigarette light socket 16 modes flash setting with color memory function which remembers the last setting when turn off Widely used for police officer, Law Enforcement, EMS, fire hazard, ambulance, first responder, volunteer firefighter, snow plow to be visible on the job