The Profoto Air Remote is a proprietary radio slave transceiver designed to work exclusively with the Pro 8a 1200 and 2400 Ws power packs. This transceiver can control an unlimited number of power packs and heads on eight channels. It can mount to your camera's hot shoe, or sync to your flash terminal for firing. Operating from two AAA batteries, at a frequency of 2.4GHz, the Air Sync has a range of 1000' (300 m). It can sync up to 1/250 second with a focal plane shutter camera and 1/500 second with a leaf shutter camera. Its triggering speed is over 100 fps.