0.36 Inch Mini Digital Voltmeter Voltage Tester Meter
This Digital LED Voltmeter measures the voltage at a particular point of the system. It has been hooked up to and then provides a readout on its three 7-segment LEDs, without any external power supply. This voltmeter is able to provide a readout of voltages from about 2.5VDC to 30VDC, within 0.1% accuracy.
There are 3 kinds with Red/ Green/ Blue for your choice, with different testing ranges, customers can select the right one for usage.