Prime Products 12-2020 12 Volt Digital Meter. This digital voltage meter plugs into cigarette lighter to determine vehicle's battery condition.
Digital voltage meter plugs into cigarette lighter to determine vehicles battery condition. Easy-to-read digital display shows the exact voltage of battery in 1/10 volt. Low sign appears when voltage drops below 7 volts. Angle of display is adjustable and LED read out is backlit. Reads 0 to 24 volts.