Digital Mini 22mm LED Display Volt Meter
This is a voltmeter in square-shaped display. It requires a 22mm round mounting hole for installation. It is self-powered when connecting to a testing circuit (24 ~ 500V AC) and does not require any external power supply.Specifications:Input Range AC 24 ～500VMeasuring Range: AC 24 ～500VMounting size 22mmWorking temperature -25 to 65° CPower consumption 0.5 Watt Dimension: Product Warranty: 6 months.