Whelen L32 Super-LED Low Profile Beacon 30 Scan-Lock Flash Patterns including 4 simulated rotating patterns (Scan-Lock utilizes an external wire to allow the user to cycle through the entire range of flash patterns, allowing for full customization) Full reverse polarity pretected Conformal coated electronics Virtually no RFI/EMI radiation Hi/Low intensity control (permanent mount only) Voltage: 12 VDC Amp Draw: 1 Amps / 2.5 Amps Peak Die-cast aluminum Hard-Coat (counteracts the effects of environmental and chemical damages to the lenses and domes) Approvals: SAE Class 1 (Amber) Dimensions: 7-13/16 Dia. x 2-5/8 H 5 Year Warranty