From the manufacturer

Saving your lungs from having to blow up your inflatable pad (sold separately) and keeping potentially destructive moisture from reaching the pad’s interior, the Therm-a-Rest NeoAir Mini Pump is quiet, lightweight and compact. Powered by two AAA batteries, the pump can inflate a NeoAir mattress in right around 3 minutes.

Specifications

• Inflates NeoAir mattresses in approximately three minutes
• Runs on 2 AAA batteries (not included)
• Small and lightweight pump is easy to pack for travel
• 65g