Easy-to-read digital gauge can be attached to a pump or used alone and provides accurate pressure readings up to 300psi / 20.7bar. Rotating head works with Presta, Schrader or Dunlop valves on bike / motorcycle / car tires, forks or shocks while the Thumb Lock lever ensures an airtight seal. The air release button allows fine tuning pressure. Specs – PUMP HEAD COMPATIBILITY: Presta / Schrader pumps – TIRE VALVE COMPATIBILITY: Presta / Schrader / Dunlop valves – GAUGE: Digital, 300 psi / 20.7 bar – UNIT: psi, bar, kg / cm2 – BATTERY: CR2032 x 1 (included) – THUMB LOCK: Aluminum – PRESSURE TUNING: Air release button – BODY: Aluminum / Engineering grade polymer – SIZE: 9.2 x 5.8 x 4.3 cm / 3.6″ x 2.3″ x 1.7″ – WEIGHT: 102 g / 3.60 oz Added Features: – Rotatable head / gauge – Auto-off function