Easy installation.Can prevent rear-end collision.100% Brand new and high quality, Mini size and compact designMini size and Water-poof design.Can alert the vehicles behind you to stop.Working temperature: -40 to 50 Celsius degreeStorage temperature: -50 to 80 Celsius degreeCan solve circuit anti-interference problem on the marketCompatible 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 ControllerWork voltage: 12VSize:4.9 x 2.7 x 1.5cmNet weight: 20gMaximum use current: 2AFit: all carsColour:blackMaterial:plasticPackage Contents:1 * Flash Strobe ControllerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.