Fully Support TTL and HSS Embrace More Possi Biltles, Built-in Godox 2.4G wireless X system, compatible with Canon, Nikon, Sony, Fuji, Olympus, Panasonic, and Pentax which with TTL auto flash system. Supports TTL functions such as 1/8000 second high-speed synchronization, which can freeze the action instantly and explore more creative shooting. High-Performance Lithium Battery: With a 36V/5200mAh large capacity lithium battery, 1200Ws powerful power, 500 full power flashes. Optional WB1200 (36V/2600mAh) small-capacity lithium battery can be taken on the plane, making travel shooting more comfortable. You can precisely control the power setting in 0.1 stop increment from 1/256 to full power, which offers you more space for creativity. You can freeze the motion, instant movement, and so on with a fast recycling time (0.01-2 seconds) and short flash duration (up to 1/10860 seconds). Bowens mount & Versatility: The lightweight flash head with the Bowens mount allows you to attach hundreds of modifiers. Steplessly dimmable 40Ws modeling light provides a clear preview of the light and enables one to take the short video. An excellent cooling system provides efficient heat dissipation. Portable Design: AD1200Pro is a compact and portable design. Thanks to the excellent battery-powered system, AD1200Pro is a perfect combination of power and portability which is easy for you to take it everywhere. Godox AD1200PRO