Description: Accurate and reliable; Display the pressure intuitively, easy to read; Nice shock resistance and vibration resistance; With temperature compensation Durable and long lifespan Perfect for vacuum pump and vacuum equipment, etc. Specification: Material: Stainless Steel Panel Diameter: Approx. 105mm/ 4.13inch Display size: Approx. 50x 19mm/ 1.97x 0.75inch Display: 4 Digit Resolution: 0.1KPa Measurement Range: ?100KPa-0 Input Voltage: AC/DC15-30V?recommended 24V? Power: 1W Control: 2 Channel Upper Limit: ?75KPa; lower limit: ?30KPa Medium: Air Connector Size: M20×1.5 mm Wire Length: Approx. 50cm/ 19.69inch Package Includes: 1piece digital pressure gauge Note: The color may have different as the difference display,pls understand. Please allow 1-3mm error due to hand test