Powered by a replaceable coin cell battery (CR2032 3V). Toggle between PSI and BAR pressure options. 80 second auto shut-off. 300 PSI / 20 BAR max pressure.Product featuresHigh Pressure Fork and Shock Pump for up to 300 psi / 20 barSuitable for all Rock Shox suspension forks and shocksWith digital manometerBest Pressure Control with the release buttonBattery: 1 x CR2032MaterialAluminum, PlastcColorblackWeightapprox 220gScope of delivery1 Rock Shox High Pressure Digital Fork / Shock Pump 300 psi Pompa per Sospensioni Rock Shox 300 psi