2.4GHz Radio Frequency Reduced interference and improved wireless signal quality. Extended Range Range up to 320" (100 m) Multi-Purpose Use as an individual or group wireless flash trigger, and/or as a shutter release remote trigger. Multiple Groups Configure up to three different light groups and up to seven different group combinations. Flash Sync Speed of Up to 1/320s Take advantage of sync speeds that match the rating of your camera all the way up to 1/320s (on compatible cameras only). Flash Wake-Up Wake-up function in TTL compatible flash units.RFWN356 Wired/Wireless Modes Wired triggering works even if the battery in the receiver is dead or missing. Versatile One receiver works with multiple camera and light models. Just swap out the connecting cables. Dual-Function Shutter Release Button Press halfway to focus; press fully to trigger shutter. LED Indicators Confirm pre-focus, shutter release, flash wake-up, and flash trigger in wireless mode. Compatible Cameras Nikon D1 / D1H / D1X / D2 / D3 / D3x / D3s / D2H / D2Hs / D2X / D2Xs / D200 / D 300 / D300s / D700 / D90 / D3100 / D5000 / D7000 / D5100 Fuji S3pro / S5Pro Kodak DCS-14N Power Supply: Transmitter: 1x CR-2032, Receiver: 2x AAA Battery Life: Transmitter: 3 Years, Receiver: 300 Hours Range: 320" (100 m) with no obstructions Frequency: 2.4 GHz Confirmation LEDs: 2 Color Shutter Modes: Settings controlled by camera: Single Shot, Continuous, Self-Timer, & Bulb