Features: TTL flash mode: easy and fast to snap special moments.  Muliflash mode: easy to record a chain of fast-changing moves.  High guide number: 58m/190ft (ISO 100, 105mm).  Auto/Manual zooming: goes within 24/28/35/50/70/80/105mm.  LCD display: large size with the backlight on and off.  Flash recycling: 0.1-5s, compatible with external power pack.  Advanced functions: FV lock.  Flash head can be swiveled by 90 degrees forward, and 270 degrees horizontally.  There are a Sync plug and a 1/4 hold by size. You can mount this flash on a tripod or device with a 1/4 mount. Support high sync speed.  Reflection card, giving a highlighted point on eyes.  The wide panel, extending flash coverage to14mm, creating soft and natural illumination.  Specifications: Model: TT685-N/C/S/F/O;  Size: 83(W)x154(H)x112(D) mm= 3.3x6.1x4.4 in;  Compatible cameras: for Canon/Nikon/Sony/Fuji/Olympus DSLR cameras (TTL autoflash);  Guide No. 58/190 (at 105mm focal length, ISO 100 in meters/feet);  Flash coverage 24-105mm (14mm with wide panel);  Auto-zoom (flash coverage set automatically to match the lens focal length and image size);  Manual zoom: Swinging/tilting flash head, 270 degrees horizontally and 90 degrees vertically (bounces flash);  Flash duration 1.2ms or shorter;  Exposure control system: TTL autoflash, manual flash;  FV lock: With button;  High-speed sync: Provided (Up to 1/8000s, first-curtain sync, and second-curtain sync);  Stroboscopic flash: Provided (1-99Hz);  Optic slave triggering: Provided (S1 & S2);  Recycling time: Normal flash: approx. 0.1-5sec;  Flash-ready indicator: Red  indicator lights;  Effective range: 0.7-6m/2.3-20feet;  Internal power: 4 AA batteries;  Battery life:100-700 flashes;  Power saving: Power off  after a certain period (approx. 1.5min.) of idle operation;  Color temperature: 5600+200K;  Dimensions: 83x154x112mm/3.3x6.1x4.4in;  Net Weight: 395g/13.9oz;  Package Includes: 1 x Godox Thinklite TT685-C/N/S/F/O Speedlite;  1 x Velvet Bag;  1 x Mini-Stand;  1 x User Manual;  1 x Gift Kit;