Specification: - LED quantity: 8LED - Power: 8W (8 x 1W LED) - Input voltage: DC 12V- Dimension approx.24cm x 10cm x 5cm(L x W x H)- Wire length: maximum 200cm- 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 3 flashing modes: a. Flash one color 8 times and switches off to the other. b. All lights at once c. All LED flash several times.