4pcs Ultra Thin 4LED Emergency Warning Lights Red Hazard Flashing Strobe Light Side Warning Light Beacon Light Universal for 12-24V Car Vehicle Truck Trailer Caravan Camper Motorcycle VanEach Lamp has 4 LED bulbs of high brighteness ,50000 hours LED Life, Wide angle of visibility and High intensity strobe. Ultra thin waterproof design, high quality aluminum alloy casing PC lens, anti collision, dustproof, splash proof non polluting, no noise, no electronic interference. Better heat dissipation and unlimited installation possibilities. Very durable and practical. 18 flashing patterns, Last pattern memory recall. More Visible and