Compatible with: All automobiles and devices equipped with a 12 Volt DC power source Power:24W(16LED) Light Colour: Red & Blue, 15 Flashing Modes Dimension: approx. 26.5cm*12cm*6.5cm Easy to install.Just put the cigarette connector into the 12V car cigarette lighter, push the switch button to start to work Widely used for Hazards Warning, Law Enforcement, EMS, First Responder, Tow and Rescue, Firefighter, Construction to be visible on the job