Voltmeter digital 12V / 24V with colour LED battery level indicator "Rainbow" waterproof, built-in measuring device

Digital voltmeter for monitoring the battery in cars, campers, boats or motorcycles with an instantly detectable status display through three colors and low voltage warning. Waterproof and easy to install.


  • super compact size
  • self-powered from voltage measurement
  • suitable for 12 AND 24 volts
  • dust and waterproof according to the IP67 standard
  • Warning in the event of a voltage drop below 11V at 12V and 22V at 24V on-board voltage
  • Reverse polarity protection

Fits into our 1-, 2- or 3-way installation panels, where you can also find additional 12/24 volt installation Elements.

  • Available immediately
  • Delivery time: 3 - 4 Workdays (Other countries)
24,95 €
incl. 19% VAT , plus shipping costs (Paket)

  • travel-experienced employees
  • shipping with DHL & GLS
  • everything from one source
  • payment by Paypal or bank transfer

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.

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Technical specifications
Item weight:
0,03 kg
Dimensions packing ( l × w × h ):
4,80 × 4,00 × 7,00 cm
Average item rating
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All reviews:

Total entries: 2
Super Produkt
5 from 5
Super Produkt

Zur Info: Stromverbrauch in der Größenordnung 8 mA

Einbau im LKW
5 from 5
Einbau im LKW

Top Produkt !
Ich habe das Voltmeter im Armaturenbrett vom LKW MB917 eingebaut, so ich sehe auch während der Fahrt ob die Lichtmaschiene eine gute Ladespannung abgibt.
Härtetest bestanden auf einem Schweizerpass bei -12 Grad.

Total entries: 2