4pcs Ultra Thin 4LED Emergency Warning Lights Blue Hazard Flashing Strobe Light Side Beacon Universal for 12 24V Vehicle Truck Trailer Caravan Camper Motorcycle Van

Each 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 Evident. Universal for 12-24V all Car, SUV, Pickup Truck, Motorcycle ,Van ,Trailer,Boat, Caravan,Jeep,ect. Easy to Install,connect the black and the yellow wire to the brake light first to negative the light, then turn off the car and connect red to positive and black to negative again(and yellow touch negative to change flash pattern)