Bikase N3 Portable Tire Inflator Electronic Inflator Digital PV/SV 150 Black

Quick Tire inflation with automatic modes for preset PSI & automatic shutoff. Automatic altitude correction calibration MAX 150 PSI. Long battery life with built in 7.4 V(2.5 Ah) Battery. Built in area for accessories such as Presta Valve Needle & Charger cord. Tested to inflate 12 - 29 x 2.00 tires to 34psi on a single charge