Technical Data Rated Working Voltage: DC13.5V Working Voltage Range: DC10.5V-14.5V Rated Working Current: 0.7A?.2A Maximum Consumption Current: <=1000mA Centre Luminous Intensity :>=800cd(red) >=400cd(blue) >=600cd(amber) Flash Pattern: Alternate 4 quick flash and 3 quick flash. Flash Frequency: 90~110 times/Min. Maximum Vehicle Speed: 120km/hour Power Connection Mode: Connected by cigarette plug. Ambient Temperature: -40C--+70C Waterproof Performance: Waterproofing, can be mounted outside the vehicle. Shock Resistance Performance: 20g/s2 ---GB2828-1998 Mounting mode: Magnet adsorption style, can be mounted inside and outside the vehicle.