A closer look at the backs of the transmitter and receiving units used by the new version of the Phottix wireless remote, called the "Cleon". The PHOTTIX can be programmed for 16 different channels to minimize possible interference. The unit works well and has a maximum advertised range of 100 meters (320 feet). The unit is also made for other camera brands and models and is available on eBay. For more information regarding these units, you can also visit www.phottix.com.