Strobes produce 1 flash per second over the regulated voltage range24 VDC with wide UL Regulated Voltageusing filtered DC or unfiltered VRMS input voltageSynchronize using the Wheelock Sync Modules or panels with built-in Wheelock Patented Sync ProtocolField selectable taps for 25 or 70 VRMS operation from 1/8 watt up to 2 wattsHigh efficiency design for maximum output at minimum wattage across a frequency range of 400 to 4000 HZFast installation with IN/OUT screw terminals using #12 to #18 AWG wires