Features:Numbers and pointer clearly show the voltage.LED light for easy reading in the darkness.Measurement range is 8~16V.High sensitivity and easy operation.Used to measure the voltage of automobile power.Specifications:Color: SilverUnit: VoltMeasurement range: 8~16VPower: 12V DC， Max. 0.3AVolt meter size: 5.7 * 7cm / 2.2 * 2.8in (max. diameter * height)Volt meter weight: 88g / 3.1ozPackage size: 17 * 12 * 7.8cm / 6.7 * 4.7 * 3.1inPackage weight: 215g / 7.6ozPackage including:1 * Voltage Gauge1 * Bolt Pack