FEATURES & SPECIFICATIONS:

The Okey Japan TT680 camera flash applies to Canon EOS series cameras and is compatible with E-TTL II autoflash. It supports Multi/Stroboscopic flash function, as well as auto and manual zoom function with a flash coverage of 24 to 105 mm. With this E-TTL II compatible flash, your shooting will become simpler. You can easily achieve a correct flash exposure even in complex lighting-changing environment. FEATURES - E-TTL II flashmode: easy and fast to snapspecial moments - Multi flash 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 backlight on and off - Flash recycling: 0.1-5s, compatible with external power pack - Advanced functions: FE lock SPECIFICATION Compatible cameras : Canon EOS series cameras(E-TTL II autoflash) Guide No. : 58/190(at 105mm focal lenghth,ISO 100 in meters/feet) Flash duration : 1.2ms or shorter Exposure control system : E-TTL II autoflash, manual flash FE lock : With <FEL> button or <*> button High-speed sync : Provided Stroboscopic flash : Provided (1-99Hz) Recycling time : Normal flash: approx. 0.1-5sec. Flash-ready indicator : Red indictor lights Effective range (approx.) :0.7-6m/2.3-20 feet Internal power : 4 size-AA alkaline batteries .**Size-AA Ni-MH and lithium batteries also usable Battery life (approx. flash count) : 100-700 flashes(with size-AA alkaline batteries) Power saving : Power off after certain period(approx.1.5 min.) of idle operation External power : Canon battery pack CP-E4 GODOX power pack PB960, PB820, FB2000, and CP-80 Color Temperature : 5600�200k Dimensions(W x H x D) : 83x154x112 mm/3.3x6.1x4.4 in. Weight (approx.) : 395g/13.9 oz.(camera flash only, excluding batteries) Compatible Camera : Canon EOS series camera: 5D Mark III, 5D Mark II, 7D, 60D, 50D, 40D, 30D, 650D, 600D, 550D, 500D, 450D, 400D Digital, 1100D, 1000D