Studio flash light Model: YS-620 Output power: 600W/S Flash guide No.: 76GN Output control range: 1/32 full, Stepless power control Modeling lamp: 150W Recycling time: 0.8 2.5S Color temperature: 5600 K ± 200K Flash duration: 1/800 1/1200S Modeling lamp Working mode: Full power output/proportional flash and modeling light Modeling lamp: stepless power control Recycling indication: LED/Buzz/ proportional flash and modeling lamp Flash triggering method: Test button/ SYN cable/ Photocell Flash triggering voltage: 5V Digital display model: YS-620F