Power: 600W Guide No.: 76GN Output control range: 1/16 Full variable Moddeling lamp: 250W Recycling time: 0.8 3S Color Temperature: 5600+/-200K Flash Duration: 1/800 1/1200S Modeling lamp working mode: Modeling light ON/OFF, Full, Variable Flash output precision: +/-0.1EV Recycling indication: LED/Beeper/Modeling light indication. Working Voltage: 170 240V or 100 120V, Automatic voltage regulator circurt. Triggering Method: Optical slave/Sync cable/Test button. Triggering Voltage: 5V lower voltage trigger. Cooling fan: with Light regulating digital display, Flash auto release.