MULTI-PURPOSE USE - This rooftop emergency light is great for emergency vehicles, law enforcement cars, mail postal service, plow tractors, tow trucks, pickups, roadside assistance vehicles, volunteer vehicles, etc (Note: Magnetic base is not for use on aluminum-bodied vehicles) UPGRADE PC LENS MODULE - The rooftop strobe light bar has 48 high-intensity LEDs. 200% brighter than a standard LED strobe light, bright enough to be seen more than 2000ft in distance. It is even visible during daytime conditions, Brighter and more effective than standard LED strobe lights 16 FLASHING PATTERNS--Double switch buttons setting, 16 Patterns to choose from. You can switch ON/OFF or select the flashing mode conveniently at the cigarette lighter plug buttons. Last used pattern recall/memory function. Whether you need a steady light, fast strobes, alternating patterns, or synchronized flashes, this hazard caution light bar has you covered 14 HEAVY-DUTY MAGNETS - The lightbar easily attaches to any metal rooftop using the 14 strong magnetic feet with rubber padding, without hurting the roof of your vehicle. 16.5ft cigarette lighter adapter cable, long enough to install the light anywhere in the vehicles IP68 WATERPROOF GRADE - The Emergency Warning LED Strobe Light Bar is made of high-quality ABS and PC lens & sealed weatherproof build, Professional-grade design, waterproof with IP68, and over 500,00 hours life span. Great to use in rain, fog, dust, and snow weather, resisting moisture and vibration, escorting your driving 48LED Roof Top Strobe Lights