ITEM NAME:Flash Strobe Controller Flasher Module fit for LED Brake Tail Stop Light Lamp 2A Flash Strobe Controller Box Flasher Module Fit For LED Brake Tail Stop Light Lamp Car SPECIFICATIONS.(Flashing Pattern: strobe pattern&flash pattern&always bright pattern. Current: 2A(Max). 4) Easy installation, just connect "OUT" side for the LED light, then connect "In" side to the light power cord, then it can work well.