The ARCTERYX Voltair 20 Backpack is a panel-loading touring pack with a dedicated pocket for all your avy tools. Packed into the compact design is also an avy airbag and powerful electric fan for fast inflation. You will need to purchase separately the Voltair LiPo 22.2V Battery (SKU 249164) and Voltair Battery Power Supply (SKU 249163) to power the centrifugal blower and inflate your airbag.