Wireless Communication Unit Communication Method NAS(Nissin Air System）*1 Frequency Range Used (center frequency) 2409〜2476 MHz Wireless Maximum Output 8 dBm (EIRP) Communication Channel 8 channels Remote Group A、B、C、D､A、B、C、D Maximum number of flashes used simultaneously 30 Functions Action mode Radio Wireless Commander (TTL, Manual, OFF) TTL Flash Exposure Compensation Control ±2EV、1/3EV steps Manual Flash Control 1/1〜1/256、1/3EV steps FP (high speed sync) Emission Control Compatible (when using a compatible camera) The Coverage (zoom) 24〜200mm (35mm format conversion), auto zoom Recycling Time Max. approx. 10 times/second Other Functions Firemware update by microSD card, open mode*2, modeling light control*2 that allows to control one flash from multiple wireless commanders. Power Supply and Others No. of Flashes Approx. 3,000 times (when using alkaline batteries)*3 Power Supply 2 x AAA batteries (Ni-MH batteries, alkaline batteries) Using Temperature Range -10 to 40 degrees Celsius Dimension (Height x Width x Depth) Approx. 61mm x 62mm x 68mm Weight Approx. 73g (without battery)
