average measurement: gasSensor Type: Silicon Semiconductor Sensorprecision: +/- 1% F.Stemperature error: +/- 1.5% F.Spressure limit: 1.5 times the full range of working pressureworking temperature: 0 ~ 45 CelsiusStorage temperature: -10 ~ 75 Celsiusdimensions: 64mm diameter, 27mm thickness, (including rubber sheath diameter 72mm, thickness 35mm)connection pressure: G1 / 4Power tool: 3.0VDC (2 * 1.5V 7 battery powered)display unit: Psi, Bar, Kgf / cm2, MPaDisplay: 2.5 inch 4 digits, LCD display, the right side of the display mains power batterypressure range: 3-200 Psicolor: black + silverMaterial: plastic + metalPackage Contents:1 * Pressure gaugeOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.