There is a 12 V / 24 V model in a voltmeter field. Depending on the voltage input, the model can be changed
12 volt model when the battery voltage is below 11.3V, warning sound alarm, 24 volt model when the battery voltage is below 22.5V, warning alarm
LED digital battery display: LED digital voltmeter meter, there have 3 colours on the trim, it shows the battery voltage status and monitors your battery voltage
Product size: 36.6 x 49.6 mm, opening size: 28 mm, easy to install
Battery indicator, voltage display for car, trolling motor, automotive, solar project, marine, boat, RV, caravan, battery energy bank, etc.