Digital Voltmeter 12V / 24V with LED battery level display "Rainbow" waterproof, built-in measuring device
Digital 12 / 24V built-in voltmeter with battery level indicator "Rainbow"
Ultra compact built-in voltmeter for monitoring the condition of the battery in your camper, boat or motorcycle. In addition to the digital display, it has a color LED display in three colors for quick detection.
When measuring, it supplies itself with power, so you don't have to pull any additional cables.
The voltmeter works in a range between 7 and 30V.
Warning in the event of low-voltage
The built-in voltmeter "Reinbow" warns of low voltage with an acoustic signal (below 11V in the 12 volt system / 22V in the 24 volt system. On-board voltage is recognized by the voltmeter itself).
Dust and waterproof according to the IP67 standard and therefore also ideally suited for use on the boat or on the motorcycle, as it is rainproof.
Reverse polarity protection
No damage / short circuit due to accidental swapping of minus and plus.