The onboard voltmeter 34540 is used to prevent battery failure and to control the charging of your car More
With a voltmeter you get permanent information about the condition of your battery, which is usually not possible in cars because these indicators are missing. Displays the numerical value of the battery voltage;
Connection using two 6.3 mm connectors marked with +/- (observe the polarity of the connection or the device may be damaged).
Recommendation: Put a 500 mA fuse before the voltmeter.
Technical parameters:
• measured voltage: 6-18 V
• mounting hole: 29 mm
• backlight color: blue
• weight 13.5g