1Two-Wire LED volt meter panel, able to measure the voltage range is DC 2.4-30V. 20.36 inch digital LED display, reading is more clear and convenient. 3Dust-free workshop production, using imported original chip. 4Low power consumption, high stability, high accuracy. 5The appearance adopts international standard size, more convenient to install.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 NewItem Type: DC VoltmeterWorking Voltage: DC 2.4-30VMeasuring Range: DC 2.4-30VInstallation Opening: Approx. 23 * 14.5mm / 0.9 * 0.6inMinimum Operating Voltage: +2.4VMaximum Working Voltage: +30VWorking Temperature: -10 C ~ +65 CWorking Humidity: 10~80% (No Condensation)Working Pressure: 80~106KPaDimensions: Approx. 33 * 15 * 10mm / 1.3 * 0.6 * 0.4inVoltmeter Digital Tube Color: 5 * WhitePackage List:5 * DC VoltmeterNote: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.