Save your breath with this ultralight pump. Tiny yet powerful, the NeoAir Micro Pump will inflate your pad quickly before tucking away in your pack. The 65g pump uses two AAA batteries to inflate your WingLock or TwinLock in minutes. If you have a NeoAir pad with a WingLock valve, the handy pump can also deflate your mattress before packing it up and hitting the trail. Features: Powerful: Inflates your pad in as little as three minutes. Multi-use: Used during pad inflation and deflation. Average inflation time: 3 minutes for a regular size mattress Weight: 65g Batteries (2 x AAA) not included