3.Low power consumption.
4.Refresh speed: 500ms.
5.Snap on design for easy installation.
7.Refresh speed: about 500ms/each time.
8.Power supply:DC 4.5v - 28V. Working temperature: -10â„ - 65 â„.
About how to use the item
Red line:Power Supply + (4-30V )
Yellow line:Measure Voltage +
Black line:Power Supply -, Measure Voltage-
Red: positive power supply, you need access to power within the positive range DC 4.5-30
Black line: Public negative, both powered anode is measured with reference to the negative
Yellow Line: Measuring signal input positive
2PCS* NEW Red LED Panel Meter Mini Digital Voltmeter DC 0V To 99.9V
2PCS Red LED Panel Meter Mini Digital Voltmeter DC 0V To 99.9V TOP