Features:1. Color: all red， all blue， all white， all amber， bule��red2. Suitable for alarm at a dangerous post in industrial and mineral enterprises ，at the watch post，on the top of a vehicle etc. DC 12v rotary type .3. Long life warrant'super bright4. Bottom with one big round magnet ，cover by base， No scrape car's painting5. Usage:Police，fire engine，ambulance，street sprinkler，truck6. Perfect for use in Fog，Rainy，Snowy MudWind Season Ideal for Emergency Situations ，Durable and Bright Light7. Circular Warning light Strobe light，Caution Light 8. Wattage:10WPackage list:1 x Warning light