The new Plus III Transceiver features 32 channels and Selective Quad-Zone Triggering that enables photographers to remotely trigger flash and/or cameras in groups or individually all wirelessly from hundreds of feet away. Performance enhancing features include Long Range Mode and Repeater Mode to help photographers tackle the most challenging shooting environments and open the door for never-attempted image ideas. All features, channels and zones can be easily set using the soft-touch keypad and are clearly displayed on the backlit LCD display.The versatile new PocketWizard Plus III is compatible with all other PocketWizard radios and virtually every popular flash and professional digital SLR camera system. It also communicates with all PocketWizard-enabled photo gear including select Profoto, Dynalite, Norman and Photogenic flash systems and Sekonic light meters.