* Guider number: GN62 (ISO100, 200mm)
* Wireless Flash: Radio transmission Slave, Optical pulse transmission Master/Salve
* Flash mode: ETTL, M, MULTI
* Zoom range: Auto, 20~200mm (When using wide angle dispersion plate is 14mm)
* High speed sync: 1/8000s
* Master flash: Master optical pulse signal transmission
* Slave flash: Optical pulse SLAVE Canon/Nikon, light trigger, S1/S2, wireless SLAVE (NEED to upgrade the software first)
* Shutter Synchronization: Hight 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)
* Fraquency flash: 1~199Hz
* Recycle time: Quick flash less than 2s, ordinary flash less than 3s
* Wireless transmission distance: Radio, about 100m; optical pulse, about 20m
* Radio transmission channels: Radio, 4~16; optical pulse, 4
* Flash ratio: 8:1 ~ 1:1 ~ 1:8
* Flash Groups: Support for multiple flash grouping
* Power supply: 4 x AA size batteries (Alkaline or Ni-MH is usable)
* External interface: Hot-shoe, PC synchronous interface, external charging interface, external expansion interface
* Software upgrade: Support
* Battery life: Flash 100~700 times
* Mesaurement: 79.7 * 142.9 * 125.4 mm
* Net weight: About 420g (not including batteries)