Features: Interchangeable/Compatible with: All automobiles and devices equipped with a 12 Volt DC power source. Used on Commerical Trucks, Security Vehicles, Construction Vehicles, Emergency Vehicles etc There are light flash effect change, the first is flash on the left, then right. The second is flash at the same moment. The LED lights can be rotated 90 degrees, any angle radiation, in different ways flashing alternately,to meet your diverse Specifications: LED Qty.: 8LED Power: 8W (1W*8) 4 suction cups for quick screen mount, Adjustable angle to fit different screen. Light color: Red/Blue,Yellow,Blue Three Flashing Modes Dimension: approx.24 x 10 x 5 cm(L x W x H) Wire length is 60cm, it can be extented to 1.5m Package Included: 1 pcs car led storbe light