8 LED Warning Caution Car Van Truck Emergency Strobe Light Lamp For Interior Roof / Dash / Windshield (Blue) Includes: 1x 8-LED Truck Strobe Lights/1x Cigarette lighter adapter / 4 x Suction cups Installation: Plug this into your 12V cigarrette lighter Unit Dimensions: 9.5" ( wide ) x 4" ( deep ) x 2" ( height ) / Lifepan: 30000 hours 3 flashing/strobe modes: a. Flash one color 8 times and switches off to the other. b. All lights at once. c. All LED flash several times. Easy to install, Brackets and suction cups preinstalled, and plug into a 12V cigarette lighter.