Key features : The Color Display will automatically follow camera angle in different position and six icons interface gives user friendly operation and representing different menus - Auto, TTL, Manual/Av, Multi, Wireless TTL (Master/Remote) and Customer Setting.
Various features : TTL: Supporting Canon E-TTL, E-TTL II and Nikon i-TTL. Flash light is automatically controlled by the camera but the flash exposure value can be compensated.
Manual: Flash power can be adjusted manually at 22 levels, from full power to 1/128 power at every 1/3 stops. The appropriate distance to the subject is shown in the display in accordance with the aperture value set on the camera.
Av priority: The flash light can be automatically controlled by the photo sensor built-in the flash unit instead of TTL metering. The F. Stop can be set from F1.4~F16. The distance at the F-stop set on the flash and camera is shown in the display.
Multi Flash: The power ratio can be set from 1/8 to 1/128.

Usable camera : CANON digital camera, NIKON digital camera
Guide Number (ISO100) : 60m, 198ft. (105mm), 40m, 132ft. (35mm)
Focal length Coverage : 24'105mm (18mm with wide angle diffuser)
Power Source : 4 x AA battery
Recycle Time : 0.1-5.5 sec. (Alkaline, NiMH)
Number of Flashes : 150-1500 times
Flash Duration : Manual mode 1/300 (Full Power) , TTL mode 1/300-1/30000 sec.
Energy Saving : Auto power off Off, 10, 15, 30, 45, 60 mins
Stand-by mode 30 sec.
Display off Display screen switch off
Color Temperature : 5600K
Flash Power Control System : Full Auto E-TTL, E-TTL II (for Canon), i-TTL (for Nikon), Ev compensation adjustment on camera
TTL E-TTL, E-TTL II (for Canon), i-TTL (for Nikon), [Advanced] Ev compensation, Manual zoom, Sub-flash allowed
Auto Aperture Flash F1.4-F16 (ISO100), 1/3 Ev steps, [Advanced] Manual zoom, Sub-flash allowed
Manual Power Full-1/128, 1/3Ev steps, [Advanced] Manual zoom, Sub-flash allowed
Multi-flash Frequency-90Hz, 1-90 times, Power 1/8-1/128
Wireless Remote flash Slave:
Slave Digital Slave / Film & Studio Slave, [Advanced] Sub-Flash Allowed
Wireless TTL Master / Remote, 4 Channels, 3 Groups (A, B, C), Modes: Off/ TTL/ Manual, TTL Flash Ratio Adjustable
Ev Compensation on flash : -0.3 - +3.0, 1/3Ev steps
My TTL setting : -0.3 - +3.0, 1/3Ev steps
Bounce Function : Upward 90 degree, Left 90 degree, Right 180 degree
Sub-flash: Manual Full - 1/8, 1Ev steps
FE/FV Lock : [FEL] OR [*] Button for Canon, [AE-L] OR [AF-L] for Nikon
Rear curtain sync. : Yes
High speed sync. : Yes
Red eye reduction mode for Nikon: Yes
Slow sync. mode for Nikon: Yes
Red eye reduction mode + Slow sync. mode for Nikon : Yes
AF assist light distance : 0.7-10m
Operation Control mode : Color Display (Auto Rotation)
Firmware Upadate Terminal : USB
X terminal : Yes
External power pack socket : Nissin Power Pack PS-300, Canon original pack, Nikon original pack (except Nikon SD-9)
Accessories : Soft Pouch, Flash Stand with Tripod screw
Dimension : 134 x 74 x 110 mm
Weight : 380gr. w/o battery