Godox AD600BM Bowens Mount 600Ws GN87 High Speed Sync Outdoor Flash Strobe Light with 2.4G Wireless X System, 8700mAh Battery to Provide 500 Full Power Flashes Recycle in 0.01-2.5 Second 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. Optical and Built-in 2.4G wireless transmission to offer stable output. 80M Wireless Control with precision. 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). 10W LED modeling lamp can adjust light brightness in three steps. Large and clear dot-matrix LCD panel offers convenient operation. With handle to adjust different shooting directions of the flash. USB firmware upgrades helps keep pace with the latest technology. AD600BM All-in-One Outdoor Flash is powerful and portable with professional lithium battery pack. Built-in Godox 2.4G wireless X system, AD600BM support M/Multi functions.  AD600BM (Bowens mount) have varies of accessories. With the AD600 series flash,your shooting will become simpler. You can easily achieve a correct flash exposure even in complex light-changing environments. Wireless Flash Function: Slave, Off Controllable Range(approx.): 2.4G, 5: A,B,C,D,E Transmission Range(approx.): 2.4G, 80m Channels: 2.4G, 32: 1~32 Guide No. (m ISO 100): 87(m ISO 100,with AD-R6/R7 standard reflector) Integrated <span class="a-text-bold">professional</span> 11.1V/8700mAh lithium battery pack Lithium battery packs up to 450 full power flashes Dependable 0.01-2.5s recycling times Operates as a dedicated Slave unit in a wireless flash groups up to 300ft. Dot-matrix LCD panel with clear and concise display. 1/8000s<span class="a-text-bold"> </span>High Speed Sync that can overpower the sun Lightweight and portable Designed for a wide range of Bowens&#039;s  mount accessories Power range from full to 1/256 in 1/3 stop increments Stable color temperature at 5600200K over the entire power range Focus-assist beam Thermostatic Fan Cooled body Flash Mode: Wireless off, M/Multi Built-in Godox 2.4G wireless X system. 2.4 GHz wireless system with a range of 262&#039; (80m), featuring five controllable slave groups and 32 channels 10W LED Modeling lamp can adjust light brightness in three steps. This flash offers 600Ws with 9 steps of output, ranging from 1/1 to 1/256, and comes with a powerful 11.1V/8700mAh lithium-ion battery pack that provides up to 500 full-power flashes, while maintaining a steady 5600K color temperature regardless of the power level. Power Output: 9 steps1/256~1/1 Stroboscopic Flash: Provided(up to 100 times, 100Hz) Sync Mode: High-speed sync (up to 1/8000 seconds), first-curtain sync, and second-curtain sync Delay Flash: 0.01~30 seconds Large and clear dot-matrix LCD panel offers convenient operation USB firmware upgrades helps keep pace with the latest technology. Professional lithium battery pack has large capacity (11.1v/8700mAh) to provide 500 full power flashes and recycle in 0.01-2.5 second. DC/AC are baoth applicable.(change to AC alternating current module after lithium battery pack detached) AD600BM has 600Ws and GN87(m ISO 100),stable color temperature at 5600200k over the entire power range. 25 steps of power adjustment (1/1 to 1/256) offer better lights effects. Controllable Range(approx.): 2.4G, 5: A,B,C,D,E Transmission Range(approx.): 2.4G, 80m Channels: 2.4G, 32: 1~32 Power Indication: Power off automatically after approx. 60 minutes of idle operation Dimension(with battery): 220*245*125mm (flash tube &amp; reflector not included) Net Weight: 2.66Kg (flash tube &amp; reflector not included)