Display: 3-bits ,LED digital tube ,lamp display is Blue,red,orange and green
The state of your battery between full charged and discharged
Can indicate a poor or bad charging system. Tells whether your battery is holding a charge or not
The meter has easy to read LED segments and connect to your 12 volt or 24 volt system
It mounts in a 1-1/8" hole in panels up ?" thick, a nylon retaining nut holds the meter in place
A mounting plate is also included that fits over the front of the meter to hold the meter against panels of any thickness
The socket body is made out of heavy nylon,and the range is 5-15v dc or 5-30v dc

Measuring DC voltage, with anti-reverse, short circuit protection.

Wiring guidelines: there are marks " +" and " - " at the back of voltmeter, connected the wires to the corresponding original car ACC wires.