Godox Bowens Mount AD600BM Monolight HSS 1/8000s 600Ws GN87 Outdoor Flash Strobe Light with Built-in 2.4G and 8700mAh Battery Pack + Mcoplus Cloth Optical and Built-in 2.4G wireless transmission to offer stable output. 80M Wireless Control with precision. 600Ws, GN87, 9 steps of power adjustment(1/1 to 1/256). Stable color temperature at 5600200K over the entire power range Fully support High-speed sync (up to 1/8000 seconds), first-curtain sync, and second-curtain sync 11.1V/8700mAh large capacity lithium battery pack to provide 500 full power flashes and recycle in 0.01-2.5 second. DC/AC are both applicable(Change to AC alternating current module after lithium battery pack detached). Note:AD600BM is a Bowens Mount High Speed Sync Outdoor Flash, whose brightness should be adjusted manually. Without TTL Function