GN: 65 (ISO100/200mm)
Flash Coverage Range: 20 to 200mm
Auto Zoom: According to shooting angle and image to auto adjust the coverage range
Manual Zoom: According to camera or flash setting to adjust the zoom range
Flash Mode: TTL/M/Mult
Stroboscopic Flash: 1-500Hz
Wireless Flash: Master/Slave
SYNC Mode: High Speed Sync, 1st Curtain Sync, 2nd Curtain Sync
Adjustable Angle: Up/Down: -7/90 degree Left / Right: 180 degree/180 degree
Manual Flash: 1/128-1/1 output control (1/3rd increments)
Recycle Time: About 4 sec (1/1 full power output)
LCD Display Screen: High definition dot matrix screen
Internal Power Source: 4×AA size Alkaline or rechargeable batteries (4×1.5V)
External Interface: Hot shoe, PC port and USB port
EV: 1/3rd increments (±3 stops)
FEB: 1/3rd increments (±3 stops)
Battery Life: 150 times (1/1 flash output, with SanyoEneloop batteries)
Fluorescent tube: Ultra long battery life design
Special Design: LED fill light and supplement to background settings
Overheating Warning: Multi dot matrix temperature control, battery & fluorescent tube overheat warning.
AF-Assist Beam: YES
Firmware Upgrade: YES