Interchangeable / Compatible with: All automobiles and devices equipped with a 12 volt DC power source. There is a change of light effect, the first is the flash on the left, then on the right. The second is flash at the same time. LED lights can be rotated 90 degrees, All beam angles, in different ways, flashing alternately, to meet your needs. 4 Suction cups for on the screen, adjustable angle to adapt to different screens. Three flashing modes. Voltage: DC12V Power: 8W (1W * 8) Color: black Material: ABS Package Contents: 1 x Warning Lamp 4 x Suction Cups 1 x 806 Car Charger 1 x Instruction Manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.