Wireless Speedlight Commander SU-800

Key Features

When using i-TTL compatible Nikon digital SLR cameras and Speedlight, user can divide the Speedlight units into three groups and control the flash output independently for each group
Features a Commander function that can trigger wireless remote flash (SB-910, SB-900, SB-800, SB-700, SB-600, or SB-R200) units without a master flash unit.
One-touch switching between close-up and Commander modes
Easy-to-use close-up flash operations. Two types of operations: Dual-light close-up flash and Triple-light close-up flash
Easy-to-view LCD panel
Compact and lightweight
Soft Case SS-SU800 (supplied)
When using the SU-800 with cameras not compatible with i-TTL flash control, only close-up flash operation (using cords) is possible in use with the optional TTL Cord SC-30.

Transmission mode	Infrared-pulse emitting communication using a flash discharge tube
Transmission range	Approx. 20m (66 ft.) for SB-910, SB-900, SB-800, SB-700, SB-600; Approx 4m (13 ft.) for SB-R200 at normal settings
Number of channels	4
Number of groups	3
Number of transmissions per battery	Approx. 1200
Transmission interval	Approx. 1 second
Flash light wavelength	Approx. 800 to 1000nm (infrared ray)
Flash coverage	Approx. 60°
Display	LCD, ready-light
AF-Assist Illuminator	Approx. 10m (33 ft.) at center area using a 50mm f/1.8 lens
Power source	One CR123A (3V) lithium battery
Weight (without battery)	Approx. 160g (5.6 oz.)
Dimensions (W x H x D)	Approx. 68 x 96 x 58mm (2.7 x 3.8 x2.3 in.)
Included accessories	Soft Case (SS-SU800)
Optional accessory	TTL Cord (SC-30)