Savage Background Leader Bar 107" / 8.9' - 3 Pack Canon You can use it as

You can use it as a spare battery for your Q4

Like the previous Wireless ME units

Charge during use with the Case Air Power Split Cable (sold separately)

It lets you configure and control your Shogun from up to 15 meters away via Bluetooth LE while you define camera connections

7 captures nearly the same view as a 35mm full-frame lens

Savage Background Leader Bar 107" / 8.9' - 3 Pack Canon You can use it asThe Savage Background Leader Bar is a two piece aluminum bar that quickly and easily attaches to the bottom edge of paper, vinyl, and cloth backgrounds. The weight of the leader bar reduces ripples and draping, prevents curling, and helps position the background for a perfect sweep.