DROK Surface Mini 0.28" 12 DC Volt Meter 0~100V Green Digital Display Voltmeter Gauge LED Voltage Detector
Features:Cutting size:23.5mm x 10mmMounting holes distance:28mmMeasuring range:DC 0~100V three-wire accessOperating voltage:DC 3.0~30VMeasurement accuracy:1 %(+/- 1 digit)Refresh Rate：about 500mS/timesDisplay:Three 0.28 " LED digital tubeDisplay Color:GreenOperating Temperature:-10 c ~ +65 cWiring:Red: Power Supply +,(3.0~ 30V DC)White: Measure Voltage +,0~ 100V DC)Black: Power Supply -, Measure Voltage -Package Include:1x Digital Panel Voltmeter