Technical Data Rated Voltage: DC13.5V(at 12V) Working Voltage Range: 10.5V-14.5V Static Current: <=5mA Rated Current: 16.5A+-1.0A Maximum Consumption Current: 20A(MAX) Flash Frequency: 73+-5times/Min Light Source Flash Pattern: 8 Strobe, 2 Ways of front and rear, Right and left alternate 4 flash. Ambient Temperature: -30癈--+65癈 Mounting Mode: Supported by bracket, tightening by bolt. Mounting Direction: horizontal upwards. Speaker: 100W + 100W(Standard Style) Shock Resistance Performance: In accordance with GB13954-2004 Water-proof Performance: Water-proofing, In accordance with GB13954-2004 Dimension: 1200*360*240mm