The Control Gauge is a compact, lightweight, super-accurate digital gauge with a 1" digital backlit LCD display and a 360° swivel hammer head that easily attaches and detaches to Schrader and Presta valve heads at any angle.Accurate tire pressure reading up to 300psi / 20.7bar with a sound when correct pressure is reachedAir-bleed button makes fine tuning tire pressure easy1.0" backlit LCD display easy-to-read from any angle in any light360° Swivel hammer head works with Presta and Schrader valves at any angleSleek, compact and lightweight designWorks with CR2032 batterySpecificationsDimensions: 98*30*22mmWeight: 50gMaterial: Engineering grade polymerGauge: 1" Digital backlit LCD displayDisplay Unit: psi, bar, kg / cm2Accuracy: ±3% (at 100psi/6.8bar)Battery: CR2032Valve Head: Swivel hammer head w/air bleed buttonCompatible Tire Valves: Presta/SchraderWaterproof: Rated IPX4 water-resistant