Monitor DC voltage between 2.4V and 30V with this simple 2-wire voltmeter
±1% tolerance Working current: <30mA Refresh rate: 100ms
Auto ranging 0.01V precision
Size: 30x 11.5 x9mm
Weight: 3g Wire Length: 15cm
Operating Temp: -10 - 65 DC only, not for use with AC Voltage above 40V will damage the unit