Specifications Circuit design: Insulated Gate Bipolar Transistor (IGBT) Guide No: 58 (ISO 100, 105mm) Flash mode: TTL, M , MULTI Trigger mode: Set-top, wireless optical slave(Sc, Sn, S1, S2) Vertical rotation angle: -7-90 degrees Horizontal rotation angle: 0-270 degrees Power supply: 4 * AA batteries(Alkaline or Ni-MH are usable) Lighting times: 100-1500 times(AA alkaline cell used) Recycle time: Approx 2 seconds Color temperature: 5600k Flash time: 1/200s-1/20000s Flash control: 8 levels of output control (1/128- 1/1), 22 levels of fine tuningtotally External interface: hot shoe, PC port, USB port, external charging port Optical transmission triggering distance: indoors 20-25m, outdoors 10-15m Additional functions: Rear-curtain sync, FEC, FEB, FEV, modeling flash, manual zoom, auto zoom, sound prompt, advanced setting, automatically saving setting, PC port, power saving mode and over heat protection Dimensions: 60x78x190 mm (Extended state) Net weight: 380g Package Including: 1 x YN565EX III N 1 x Mini Stand 1 x Free Flash Diffuser Cover 1 x Manual in English and Chinese 1 x Original box ( with black protecting bag and wrapped by air bubble sheet ) ,

?Additional Function?Supports Firmware Upgrade; Sound Prompt System; Equipped with the AF-assist Beam Emitter; Supports automatic and manual zooming, the focal length can be varied between 24 to 105mm. YN565EXIII can be triggered by the camera set-top, PC synchronization trigger and wireless optical trigger off the camera. Automatic Settings Saving, supports custom settings (Fn). ?Support the Battery Remaining Power Real-time Display? YN565 III is equipped with the battery electric power display function, allows you to check the battery remaining capacity easily. ?High Speed Recycling System?The recycling time for full output just takes 2 seconds; you can get high speed current-return experience even without using brand new batteries, which will only takes 3-4 seconds. ?Compatible With C and N’s Optical Transportation Wireless Slave Flash?One YN565EX III can respectively accept the master unit of YN600EX-RT II, YN568EX II, YN568EX III; Canon 600EX(II)-RT, 580EX II; Nikon SB910, SB900, SB800, SB700, Nikon internal flash and Canon commander and wireless signal of 7D, 60D, 600D, realizes external TTL and manual flash and stroboscopic flash. ?High Guide Number, Supports TTL HSS?GN58 @ ISO100, 105mm; YN565EX III support TTL, M, Multi flash and High-speed Sync (HSS). The maximum sync speed is up to 1/8000s.