100A LED flash strobe controller module for brake light Universal fit for any 12V , motorcycle, bike, etc Convert the brake lamp flashing pattern to alert vehicles behind you to prevent accident The flashing pattern is strobe 3 , then flash 3 and then constantly lighting up Durable and waterproof design Easy installation Just simply tap this controller module box in-between the brake light and the wiring harness and it's all done. Work : 12V Colour:black Material:plastic Package Contents: 4 x Brake Light Flasher Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.