Vello Wireless ShutterBoss Timer Remote (Sony Alpha Connection)

Vello's Wireless ShutterBoss Timer Remote (Sony Alpha Connection) doesn't just trip your shutter wirelessly. It's also equipped to handle a long list of timer functions: self-timer, interval timer, long exposure timer, as well as controlling the number of continuous shutter releases. It works with a vast array of different cameras--just swap out the camera release cable for the correct camera. The transmitter works at distances up to 250' (80 m) on any one of 99 channels over a reliable 2.4GHz frequency.