Our most powerful studio flash -- 1200ws of quick-duration, fast-recycling power! The QT1200II has built-in Godox 2.4G wireless X system with 16 groups and 32 channels to wireless control multiple Godox Flashes. Fully support 1/8000s High-Speed Sync, Multi Flash, Delay Flash, Mask Function, S1/S2 Optic Triggering, C.Fn Customs Functions, etc. 0.05-0.9s Extremely Fast Recycling Time, 1/180-1/3852s ultra short flash duration and over 10 continuous flashes per second, snapping all fascinating moments. Several Flash Modes: Stable Color Temperature Mode at 5600K±200K, a good choice for the photographers who pursues stable color temperature; High-Speed Flash(Speed) Mode changes from 5400K-9000K, perfect for capturing the fast-changing actions; High-Speed Flash Mode changes from 4600K-5000K, perfect for freezing multiple frames of motion. Accurate Power Output from full power 1/1 to 1/128 in 20 steps. Equipped with 150W modeling lamp and clear LCD panel for Convenient Operation, excellent for wedding, advertisement, portrait, fashion, and high-speed photography. QT1200IIM Technical Data Flash Mode: M/Multi/High-Speed Sync Flash duration: High-Speed Flash Mode: 1/180s-1/14814s (110V); Stable Color Temperature Mode: 1/180s-1/3852s (110V) Color Temperature Stable Color Temperature Mode: 5600k+/-200k High-Speed Flash (speed) Mode: 5400k-9000k High-Speed Sync Flash Mode: 4600k-5000k Power: 1200WS Recycle Time: Approx. 0.05-0.9s Output Level: M(1/128-1/1); Hss(1/16-1/1); Multi(1/128-1/8) Multi Flash: Yes (max. flash time 99; max. flash frequency: 30) Sync Mode: High-speed sync (up to 1/8000s), first curtain sync, second curtain sync Delay Flash: 0.01-30s MASK Function: √ Fan: √ Beeper: √ Modeling lamp: 150W Slave Trigger Model: S1/S2 Display Flash Duration: √ Display: High qualified LCD panel Radio (2.4G) Transmission (X system) Wireless Function: Slave unit, ON/OFF Controllable Slave Units: 16 groups: 0-9, A,B,C,D,E,F Transmission Range (approx): 50m Channel: 32:1-32 Sync Triggering Mode: 6.35mm sync cord jack, wireless control port, built-in 2.4G wireless transmission Dimension: Flash diameter Φ14cm, height of flash with handle 26cm, length of flash with lamp over 50cm Net Weight: Approx. 4.26kg Package Contents: 1* 110V Godox QT-1200IIM 1* Sync Cord 1* Power Cord 1* Standard Reflector 1* Lamp Cover 1* Glass Protection Cover 1* Modeling Lamp 1* Instruction Manual