Godox QT Series QT400 400WS High-Speed Photography Studio Strobe Flash Modeling Light Recycling Time 0.05-1.2s (100V-120V) + CEARI Microfiber Clean Cloth Extremely fast recycling time: 0.05-1.2 second, up to 10 continuous flashes per second Ultra short flash duration: 1/5000-1/800 second, vividly snaps moving objects and details actions Wide-range and precise power regulation: Output from full power (1/1) to 1/128 in 50 steps (5.0-10.0) High color stability: 5600100k between flashes over the entire power range Wireless power control and flash triggering system (optional): Special trigger wirelessly controls flash power level, modeling light, buzzer, and High-Speed Photography