XT AUTO LED Strobe Warning Light 4.4-inch Ultra Thin Slim 10 LED Light Head - Reliable Emergency Hazard Beacon Caution Flashing Police Lights for Truck Car Pickup Vehicle - Red 4-Pack Review

Ultra slim and waterproof design, High Quality Aluminum alloy Waterproof PC Lens, better heat dissipation performance, endless mounting possibilities.Very Durable and Useful. 16 different flashing patterns, Last pattern memory recall. No pollution, no noise, no electronic interference and more efficient. Newest 3rd Generation High Power strobe light, 2 times Brighter than before. Easy to install and durable. RED---TO Positive Pole; BLACK---TO Negative Pole YELLOW---Patterns Selector(The yellow touch Red wire then release red wire). Universal for 12-24V all Car, Off road vehicle,ATVs,truck,engineering vehicles(excavator,treedozer,road roller, bulldozer,crane and mining truck etc.), and Special vehicle(fire engine,police cars,rescue vehicle,communication vehicle,military command vehicle) forklift,trains,boat,marine,bus,and tanks.