This Pixapro CITI600 TTL (equivalent to (Godox AD600B) comes with bulb, battery, battery charger, protective case and remote extension flash head. I am also selling another 2 x Pixapro CITI600 separately. Happy to combine postage. Further info below CITI600 Wistro Power Outdoor Flash (Godox AD600B) With TTL & HSS The PIXAPRO CITI600 TTL (Godox Wistro AD600BM) is a revolutionary battery powered portable 600Ws TTL professional studio flash that features a self-contained rechargeable Battery, the High-Speed Studio Powerful Stroboscopic Flash that gives access to TTL metering to quickly provide you with the perfect exposure. It also has Insulated-Gate Bipolar Transistor (IGBT) technology to achieve short flash durations, as well as fast recycle times. TTL function One feature that is only available with the CITI600 TTL model, as mentioned in the name, is the TTL function. This function provides automatic metering in order to receive the best possible lighting settings and exposure, without the need to manually adjust your light. This prevents any loss of time adjusting your settings, that could lead to you missing the perfect shot.