???WIDE APPLICATION???Universal for 12-24V all Car, Off road vehicle, ATVs, truck, forklift, engineering vehicles(excavator, treedozer, road roller, bulldozer,crane and mining truck etc.). for Special vehicle(fire engine, police cars, rescue vehicle) ???SUPER BRIGHT???FXC 2pcs LED Surface Mount Strobe Lights, each light has a total of 3 high-intensity Led chips. Use aluminum alloy housing + ABS lens for maximum brightness. It can be seen from hundreds of feet away. It is even visible during daytime conditions. ???12 FLASHING MODES???Built in flasher, and the last used pattern recall/memory function. 12 select-able flashing patterns, including constant mode, Fast flash, Slow flash, Double flash, etc. ???WATERPROOF???These lights can withstand harsh weather conditions, waterproof with IP67 and over 80,000 hours life span. Great to use in rain, fog, dust and snow, moisture-proof and vibration-proof. ???EASY TO INSTALL???BLACK is Negative Pole; RED is Positive Pole; WHITE is positive pole (touch to change mode). Supplied with gaskets and screws to mount it to the grille or bumper etc. ???RISK-FREE WITH 2 YEAR WARRANTY???If any questions, please feel free to contact us by email. And we offer 2 YEARS warranty.If it is defective, we will full refund to you Or send new lights.