5pcs Green LED Digital Tube Mini Voltmeter DC 2.4V 30V 0.36 Inch Two Wire Voltage Tester

Detecting voltage range DC 2.4V-30V, the decimal point can automatically shift. Easy to use: Just connect two wires of this mini voltmeter to the negative and positive pole of measured voltage. No power supply needed, it can be powered by the measured voltage. High precision, reverse connection protection. International standard size, convenient installation. Specification: LED digital tube color: Green Working voltage: DC 2.4-30V Measuring range: DC 2.4-30V Working temperature: -10~ +65℃ Working humidity: 10~80%RH (no condensation) Working pressure: 80~106KPa Package list: 5 x Mini Voltmeter