Mini size and compact design. Easy installation. Rear vehicle warning function, try to avoid rear-end collisions. Suitable models: All motor vehicles, such as cars, motorcycles, tanks, armored vehicles, electric bicycles and other LED lights; preferably installed in LED high-position brake lights; When driving at night, especially in traffic jams, frequent causes visual fatigue, so this product can solve this shortcoming very well. ! ! ! Wiring method: Direct series connection. Connect the LED light first and then the power supply. Otherwise, there be no flashing effect! ! Working voltage: 12V-16V DC; High current: 2A Product model: SK-CD0100: Always Flashing Colour:black Material:plastic Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Flash Strobe Controller for LED Brake Stop Light 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.