Specifications: Brand: Godox Model: V860III-N Guide No.(1/1 output 200mm): 60(m ISO 100) Flash Duration: 1/300s to 1/20000s Exposure Control System: TTL auto flash and manual flash Flash Exposure Compensation (FEC): Manual. FEB: ±3 stops in 1/3 stop increments (Manual FEC and FEB can be combined.) Sync Mode: High-speed sync (up to 1/8000 seconds), first-curtain sync, and second-curtain sync Multi Flash: Provided (Up to 100 times, 199Hz) Wireless Flash Function: Transmitter, Receiver, Off Transmitter Groups: A,B, C, D Transmission Range(approx.): 100m Channels: 32 (1~32) Controllable Receiver Groups: A, B, C, D, E(E group can be controlled by X series flash trigger) Power Source: 7.2V 3000mAh Li-ion polymer battery Recycle Time: Less than 1.5 seconds. Green LED indicator will light up when the flash is ready Full Power Flashes: Approx. 480 Power Saving: Power off automatically after approx. 90s of idle operation. (60 minutes if set as receiver) Sync Triggering Mode: Hot shoe, 2.5mm sync line Color Temperature: 5300±200K Item Size: 19.5 * 7.5 * 5.9cm/ 7.7 * 3 * 2.3in Item Weight: 410g/ 14.5oz (without battery); 530g/ 18.7oz (with battery)Packing List: 1 * Flash 1 * Mini Stand 1 * Charger Adapter 1 * USB Cable 1 * Battery 1 * USB Battery Charger 1 * Carry Bag