Specifications: Compatible Camera: Fujifilm DSLR Cameras (TTL autoflash) GN. (1/1 output 76Ws) Flash Coverage: Manual/Auto Zoom (28-105mm) (14mm with wide panel) Swivel / Tilt flash head (bounce flash): 0~330°horizontally and -7°~120°vertically Flash Duration: 1/300 to 1/20000 seconds Exposure control system: E-TTL II autoflash & Manual flash Multi Flash: Provided (up to 100 times, 199Hz) S1/S2 Optic Slave Flash: Yes Flash Exposure Compensation (FEC): Manual FEB: ±3 stops in 1/3 stop increments (Manual FEC and FEB can be combined) FE Lock (FEL): Yes, with FEL button or * button Sync mode: High-Speed Sync (up to 1/8000 seconds), First Curtain Sync, Second Curtain Sync Wireless Flash Function: Master, Slave, Off Controllable Slave Group: 4 (A,B,C,D) Transmission Range (Approx.):2.4G: 100m Channel: Optical: 4(1, 2, 3, and 4); 2.4G: 32 (1-32) Slave-Ready Indicator: Yes, two red indicators blink Modeling Flash: Fired with camera’s depth-of-field preview button Auto Focus Assist Beam Effective range (approx.): Center: 0.6-10m/ 2.0-32.8 feet; Periphery: 0.6-5m/ 2.0-16.4 feet Power Source: 7.2V/2600mAh Li-on polymer Battery Recycle Time: <1.5 seconds. Green LED light up when flash is ready. Full Power Flashes: approx. 480 Power Saving: Power off automatically after approx. 90 seconds of idle operation. (60 minutes as slave) Sync Triggering Mode: Hotshoe, 2.5mm sync line, Wireless control port Panel: Wide LCD panel, backlight on/Off Color Temperature: 5600±200k Size: 76x93x197 mm Weight: 420g Weight with battery: 530g Package Included: 1 x Godox V1-F flash 1 x Li-ion battery 1 x Charger 1 x Mini stand 1 x Protection case