Features: 1. Two-Wire LED volt meter panel, able to measure the voltage range is DC 2.4-30V. 2. 0.36 inch digital LED display, reading is more clear and convenient. 3. Dust-free workshop production, using imported original chip. 4. Low power consumption, high stability, high accuracy. 5. The appearance adopts international standard size, more convenient to install. Specification: Condition: 100% Brand New Item Type: DC Voltmeter Working Voltage: DC 2.4-30V Measuring Range: DC 2.4-30V Installation Opening: Approx. 23 * 14.5mm / 0.9 * 0.6in Minimum Operating Voltage: +2.4V Maximum Working Voltage: +30V Working Temperature: -10 C ~ +65 C Working Humidity: 10~80% (No Condensation) Working Pressure: 80~106KPa Dimensions: Approx. 33 * 15 * 10mm / 1.3 * 0.6 * 0.4in Voltmeter Digital Tube Color: 5 * Yellow Package List: 5 * DC Voltmeter Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.