The easy button for inflation Air Rush is a compact mini electric pump that makes flat fixes a breeze. It easily tops up tires pre-ride or fully reinflates two tires from flat, so you can get back to your ride sweat-free. Its bright digital display shows target pressure, current pressure, battery charge, and pressure units, while three simple buttons make operation easy. Plus, a single charge replaces up to four 16g CO2 cartridges. Product details: - Battery charges in less than an hour via a USB-C port - Presta, Shrader and needle valve adapters are included - Displays pressure in PSI, bar, and kPa - Inflation pressure range: 2 – 120 PSI - Net weight: 3.8oz. (108g) - Size: 3.15 x 1.77 x 1.26in (80 x 45 x 32mm) - Replaces up to four 16g CO2 cartridges with one single charge