Features Attach to your camera’s hot shoe to wirelessly connect camera and AirTTL light into one. Shoot in TTL Mode for fully automatic point-and-shoot shots. Shoot in HSS Mode to shape light in broad daylight. Switch from TTL Mode to Manual Mode with the automated TTL settings intact – a huge time saver. Sync and manually control any Profoto light that is compatible with Air. Intuitive and easy to use user interface. Long operating range of up to 300 m (1,000 ft). 8 digital channels. Controls up to 3 groups of lights on each channel. USB port for firmware upgrades. Approved for worldwide use.