Features:1. Three-Wire LED volt meter panel, able to measure the voltage range is DC 0-100V.2. 0.36 inch digital LED display, reading is more clear and convenient.3. Reverse connect protection function, more safe and reliable to use.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: LED Volt MeterWorking Voltage: DC 4-30VMeasuring Range: DC 0-100VWorking Current: <20mAMinimum Operating Voltage: +4VMaximum Working Voltage: +30VWorking Temperature: -10 C ~ +65 CWorking Humidity: 10~80% (No Condensation)Working Pressure: 80~106KPaVoltmeter Digital Tube Color: Blue Package List:5 * LED Volt MeterNote: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.