Feature packed Mid tier Speedlite from NICEFOTO for Nikon system. Features 1.Large power output GN=62 2.Support 1/8000S Hi-speed, 1st and 2nd curtain sync 3.Master & Slave Canon and Nikon, S1/S2 4.Flash mode *i- TTL flash *RPT flash(1~100Hz) *M flash(1/128~1/1 power range with±0.3) Specification Guide number: GN62（ISO100，200mm） Wireless Flash: Optical pulse transmission Slave Flash mode: i-TTL, M, RPT Zoom range: 20～200mm (When using wide angle dispersion plate is 14 mm) High speed sync: 1/8000s Slave flash: Optical pulse SLAVE Canon& Nikon, S1/S2 Shutter synchronization: High Speed Sync, Front-curtain Sync and Rear Sync Flash exposure compensation: Support (with an increment of 1/3 gear in +/-3 gear) Bracket exposure: Support Flash exposure lock: Support Modeling flash: Support AF assist-focus: Support Manual flash: 1/128~1/1 (with an increment of 1/3 gear) Frequency flash: 1～100Hz Recycle time: Quick flash less than 2s, ordinary flash less than 3s Optical transmission distance: About 20 m Optical transmission channels: 4 Flash groups: Support for A/B/C groups Power supply: 4×AAsize batteries (Alkaline or Ni-MH is usable) External interface: Hot-shoe, PC synchronous interface, external charging interface Battery life: Flash 100～700 times Measurement: 79.7（L）×142.9（W）×125.4（H）mm Net weight: About 420g (not including batteries) Package include 1.Speedlite =1pc 2.Cloth bag=1pc 3.Manual=1pc