Features: 7.2V/2000MAH Rechargeable Battery: Built-in Li-ion battery(7.2V/2000mAh) offers 0.1s-1.7s recycle time and over 500 full-power flashes. No tedious charging preparation & heavy burden.  Full TTL Functions: Supports HSS(max.1/8000s),front&rear curtain sync,FEC,multi flash,manual flash,wireless ID setting,etc.  ports 2.4G wireless transmission: Xpro-F (sold separately) fits for Fujifilm cameras and can be used to trigger camera flash, studio flash and camera shutter over a 50-meter distance.  Withstanding Overheat and Useful Functions: GN36(m ISO 100,at105mm),22 steps of power output(1/1-1/128). Support TTL/M/Multi/S1/S2S modes,24-105mm auto/manual zooming. With C.Fn custom function settings.  Specifications: Model: V350-S, V350-N, V350-O, V350-F V350-C;  Guide No.(1/1 output at 105mm): 36(m ISO 100) ;  Flash Coverage: 24 to 105mm Auto zoom(Flash coverage set automatically to match the lens focal length and image size); Manual zoom; Swinging/tilting flash head(bounce flash):0 to 270??horizontally and - 7°to 90°vertically ;  Flash Duration: 1/350 to 1/20000 seconds;  Exposure Control: Exposure control system: TTL autoflash and manual flash;  Flash Exposure: Manual.FEB:??3 stops in 1/3 stop increments;  Compensation(FEC): (Manual FEC.);  Sync Mode: High-speed sync(up to 1/8000 seconds),first-curtain sync,and rear-curtain sync;  Multi Flash: Provided(up to 90 times, 99Hz);  Wireless Flash(2.4G transmission);  Wireless flash function: Master, Slave, Off;  Controllable Slave Groups: 3(A, B and C);  Transmission Range(approx.): ???50m;  Channels: 16(1???16);  Auto Focus Assist Beam;  Effective Range(approx.): Center:0.6???4m / Periphery:0.6???2.5m;  Power Supply:  Lithium Batteries: 7.2V/2000mAh;  Recycle Time: 0.1s???1.7s / Red LED indicator will light up when the flash is ready;  Full Power Flashes: Over 500;  Power Saving: Power off automatically after approx. 90 seconds of idle operation. (60 minutes if set as slave);  Sync Triggering Mode: Hotshoe, Optic triggering;  Dimensions/Weighy;  W x H x D: 150 x 62 x 38mm;  Weight without battery: 210g;  Weight with battery: 290g;  Package Included:  1 x V350 Camera Flash;  1 x Mini Stand;  1 x Protection Case;  1 x Diffuser;  1 x Li-ion Battery Pack;  1 x Battery Charger;  1 x Battery Charger Cable;  1 x Instruction Manual;