The Motion FX Power Distribution Module is a high efficiency DC to DC power conditioning unit which connects to the ThunderPacks unregulated DC rail output. Each Power Distribution Module with 5V, 12V, and 19V outputs. With the Power Distribution Module you can connect up to two MacBook Pros via 19V 5-pin XLR, three mobile devices via USB, and professional 4-pin XLR-powered accessories simultaneously. Included with the Power Distribution Module is a bridge power cable for connecting to the ThunderPack and a 5-pin XLR to MagSafe 2 adapter for connecting a MacBook Pro computer. For storage and protection, a Neoprene case is also included.