Features: 1. The color of the light have Red, Yellow, Blue, White, Green, Red and Blue, Yellow and White for choose 2. Input voltage: DC12V, 3. Size: 27.5cm(L)*16.5cm(W)*5cm(H)Cable length: 60~300cm. 4. Power: 30W 5. Socket:cigar lighter device of any car. 6. Suitable for alarm at a dangerous post in industrial and mineral enterprises ,at the watch post, on the top of a vehicle etc. 7. 240pcs LED, Long life super bright, 8. Bottom with two big round magnet ,cover by base, No scrape car's painting 9. Usage:Police,fire engine,ambulance,street sprinkler,truck 10. Perfect for use in Fog,Rainy,Snowy Mud Wind Weather and Ideal for Emergency Situations,Durable and Bright Light 11. Circular Warning light, Strobe light, Caution Light 12. Alarm light, Engineering light Package list: 1pcs LED Warning flash beacon