Be free from managing cables and line-of-sight demanding optical slave modes by incorporating the Nissin Air 1 Commander for your Canon camera. The Nissin Air System utilizes a 2.4GHz radio transmission to offer remote triggering of a flash unit at a maximum range of 98 feet. It is compatible with Canon cameras having E-TTL or E-TTL II support. The NAS features eight channels and three groups that allow you to set up numerous flashes with different settings and modes, which are all controlled by the Air I Commander unit. It also offers high-speed sync support with a maximum sync speed of 1/8000 and compatibility with slower, 1st and 2nd curtain sync modes. It even adjust settings such as zoom, power, and exposure compensation to provide complete control on the lighting conditions.