LED Digital Volt Panel meter | voltmeter DC 0-300V (Red)
**Note that the maximum operating supply voltage may not exceed 30V**
This voltmeter has a range of DC 0-300V and requires an external auxiliary power supply.
Auxiliary supply voltage range is from 3.3-30V and can operarte at 5V, 9V, 12V, 24V etc without regulation. Has reverse polarity protection. Primary used is to monitor battery voltage however can also be used for other product voltage measurement purposes. Note that the maximum input voltage can not exceed 30V, otherwise there is the danger of burning.