Easy installation.Can prevent rear-end collision. 100% new and high quality, Mini size and compact design Mini size and Water-poof design.Can alert the vehicles behind you to stop. Working temperature: -40 to 50 Celsius degree Storage temperature: -50 to 80 Celsius degree Can solve circuit anti-interference problem on the market Compatible with all types of brake lights including LED clusters, Such as cars, motorcycles, tanks, armored vehicles, electric bicycles and other LED lights. Name:Flash Strobe Controller Work voltage: 12V Size:4.9 x 2.7 x 1.5cm Net weight: 20g Maximum use current: 2A Fit: Colour:black Material:plastic Package Contents: 1 * Flash Strobe Controller