godox tt685c e-ttl 2.4g gn60 high-speed sync 1/8000s wireless master slave camera flash speedlite speedlight compatible for canon cameras with diffuser & filter & usb led godox compatible with canon eos cameras(e-ttl ii auotflash) guide no.(1/1 output @ 200mm): 60(m iso 100) / 190(feet iso 100) flash coverage: 20 to 200mm (14mm with wide panel) auto zoom and manual zoom flash duration: 1/300 to 1/20000 seconds exposure control system: e-ttl autoflash 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 flash mode: e-ttl /m /multi wireless flash function: master, slave, off controllable slave groups: optical(2, a and b); 2.4g(3, a, b and c) transmission range (approx.) 2.4g ≤ 100m optical indoors: 12 to 15m / 39.4 to 49.2 ft. -optical outdoors: 8 to 10m / 26.2 to 32.8 ft. master unit reception angle: ±40° horizontally±30° vertically, ·2.4g: 100m channels: optical 4(1,2,3,4); 32 (1-32) 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 sync triggering mode: hotshoe, 3.5mm sync line,wireless control port color temperature: 5600±200k package list: 1 * tt685c speedlite 1 * carrying bag 1 * mini-stand 1 * manual 1 * usb led 1 * diffuser 1 * filter