Features:
1.Wide measurement range 0-99.9V.
2.Mini Red LED display.
3.Low power consumption.
4.Refresh speed: 500ms.
5.Snap on design for easy installation.
6.led colors:Red.
7.Refresh speed: about 500ms/each time
8.Power supply:DC 4.5V - 28V. Working temperature: -10℃ - 65 ℃.
About how to use the item
Red line:Power Supply + (4.5-30V )
Yellow line:Measure Voltage +
Black line:Power Supply -, Measure Voltage-
Package Include:
10 x Red LED Panel Meter Mini Digital Voltmeter DC 0V to 99.9V