The PocketWizard Plus III Transceiver is a highly versatile and robust radio trigger that is compatible with all prior FCC-version PocketWizards, as well as most flash and camera systems. Featuring 32 channels to choose from, this transceiver is simple to use in even the busiest of situations. Wireless remote control is possible through the use of Quad-Zone Triggering, which allows you to manage up to 4 zones of remote cameras or flashes from one position. Without having to leave camera position, you can activate and deactivate groups of flashes quickly and easily. This transceiver also employ's PocketWizard's Auto-Sensing technology, which instantly allows your device to fluctuate from transmitter to receiver.
The efficiency of this transceiver is further extended by allowing up to 1640' / 500m transmissions in normal mode, and nearly double with Long Range mode. High speed, continuous shooting is made possible with the High Speed Receive mode, permitting up to 14.5 fps firing at up to 1/250 sec. for focal plane shutter and 1/500 sec. for leaf shutters.
This unit needs 2 AA batteries which are not included.
Note: This listing is only for one unit. You need at least two units to have a working setup (one to transmit, one to receive).