Godox Witstro AD600B Bowens Mount 600Ws TTL High Speed Sync Outdoor Flash Strobe Light with 8700mAh Battery Provide 500 Full Power Flashes Recycle in 0.01-2.5 Second Optical and Built-in 2.4G wireless transmission to offer stable output. When using Godox 2.4G wireless X system, AD600B is compatible with Canon E-TTL II autoflash, Nikon i-TTL autoflash, SONY etc. As a slave unit, AD600B can use in combination with Godox TTL camera flash,TTL outdoor flash, TTL studio flash, etc. Use Godox 2.4G wireless X system to achieve TTL control or use Godox TTL wireless flash trigger X1 to wireless control TTL functions, wirelessly adjust flash's power levels, sound beep, as well as triggering the flash. There are 3.5mm sync cord jack and wireless control port to achieve multiple triggering methods. AD600B has 600Ws and GN87, Stable color temperature at 5600200K over the entire power range. 25 steps of power adjustment(1/1 to 1/256) offer bettert lights effects. Fully support TTL autoflash, flash exposure compensation, 1/8000s high speed sync, first-curtain sync, second-curtain sync, manual flash, multi flash, C.Fn custom functions, etc. 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. AD600B TTL All-in- one outdooor flash is powerful and portable with profeesional lithium battery pack,Built-in Godox 2.4G wireless X system,it supports Canon E-TTL II,Nikon-TTL and Sont systems with great compatibility,AD600Bbowens mount)have varies of accessories.with the AD600B flash ,your shooting will become simpler,you can easily achieve a correct flash exposure even in complex light-changing enviroments. 10W LED Modeling Light (Adjustable) FEL (Flash Exposure Lock) R2 2.4G Groups - 5: A / B / C / D / E with 32 Channels Optical Groups - 3: A / B / C with 4 Channels Canon &amp; Nikon Optic Wireless Slave Modes S1 &amp; S2 Optic Slave Modes Flash Duration - 1/220s to 1/10000s 11 Optional Advanced Functions (C.Fn) Auto Memory Function Firmware Upgrades through Micro USB Port USB Port Receiver Socket PC Sync 3.5mm Sync Port 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 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 Optical and 2.4G wireless transmission to offer stable output. When using Godox 2.4G wireless X system, AD600B is compatible with Canon E-TTL II autoflash, Nikon i-TTL autoflash, SONY etc. As a slave unit, AD600B can use in combination with Godox TTL camera flash,TTL outdoor flash, TTL studio flash, etc. 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. With handle to adjust different shooting directions of the flash. 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) AD600B has 600Ws and GN87(m ISO 100, with AD-R7 standard reflector). Stable color temperature at 5600200K over the entire power range. 25 steps of power adjustment(1/1 to 1/256) offer bettert lights effects. Fully support TTL autoflash, flash exposure compensation, 1/8000s high speed sync, first-curtain sync, second-curtain sync, manual flash, multi flash, C.Fn custom functions,etc. 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) 1X AD600B Main Flash 1X  Battery 1X  Lampshade 1X Flashtube 1X Charger Adapter 1X Power Cable 1X Pergear Clean Kit