Nano E Pump is small but powerful to inflate your tires quickly yet easy to store in a saddlebag.  Inflate multiple tires with ease and get you back on your ride. *Set your desired air pressure and press a button and watch the pressure gauge fill your tires in less then 60 seconds (48 seconds to inflate to 80 psi with a 700x 23c road bike tire). *Battery Charges in less than an hour (about 40 minutes) *Presta, Schrader, Needle Valve, Extension Hose and  Charging Cord are included *Automatic altitude correction sensing. *2.8" x 2" x 1.25" , small yet mighty, 120 Grams *Max inflation 120 psi