Feature:1. GV13T digital voltmeter is a lightweight module used to measure and display generator voltage, frequency, and running time.2. This AC digital display meter can replace the traditional pointer type meter to achieve multiple functions.3. The digital display meter is fixed with conventional bolts, which is safe, convenient and firm.4. Can measure voltage, frequency, accumulated running time at the same time.5. Professional manufacture ensures you higher quality products, you can buy it with ease.Specification:Item Type: Generator Digital VoltmeterMaterial: PlasticModel: GV13TParameter Display: Phase Voltage: VFrequency: HzCumulative Running Time: HPower Consumption: Maximum: 1 WOperating Temperature Range: -20 to 65Size (W x H x D): Approx. 58 x 54 x 41mm / 2.3 x 2.1 x 1.6inInstallation Opening (W x H): Approx. 47 x 37mm / 1.9 x 1.5in.Package List:1 x Digital Display Meter