5pcs Mini Red LED Digital Tube Voltmeter DC 2.4V 30V 0.36 Inch Two Wire Voltage Tester
$ 25.06
1Detecting voltage range DC 2.4V-30V, the decimal point can automatically shift. 2Easy to use: Just connect two wires of this mini voltmeter to the negative and positive pole of measured voltage. 3No power supply needed, it can be powered by the measured voltage. 4High precision, reverse connection protection. 5International standard size, convenient installation.
