FROM THE MANUFACTURER

Airchecker Digital Air Gauge features "real time" pressure readings to 1/10 of a PSI. This amazing feature allows you bleed air off your tire with the Airchecker's bleed button and know immediately the new pressure. Airchecker reads accurately to very low pressures. Swivel head. Backlit display. Reads in Bar & PSI

• Compatible with Presta, Schrader and Dunlop Valves
• CR2032 battery included