Dynalite M-1000WI 1000ws Power Pack with Built-in Pocket Wizard Digital Radio Receiver Circuitry.

The latest in wireless flash technology is now available from Dyna-Lite. Introducing the new 500 and 1000 watt second "WI" packs, which come standard with built-in Pocket Wizard (tm) Digital Radio Receiver circuitry, a six f-stop range and a two-stop variator to provide critical fine-tuning in 1/3 stop increments, a switchable audible ready indicator, and a proportional modeling light control.

All packs offer all of the power, convenience and reliability you've come to expect from all Dyna-Lite products.