Description: A voltmeter adopts intelligent chip, which has the advantages of quick recognition, sensitive response and real-time monitoring. With reverse connection protection design, it is safe to use. With a calibration hole on the back, this voltmeter can accurately calibrate the voltage and is safer to use. It has a high-definition LCD screen, making it easy to read data. It is made of high-quality plastic and metal material. The length of this product is 6.1cm, the width is 3.3cm and the height is 1.3cm. It is suitable for home, industry, workshop and so on Item Name: Battery Voltmeter Material: Plastic, Metal Features: High Accuracy, Sensitive, Multifunction Voltage Measuring Range: DC8-100V Display Mode: LCD Screen Measurement Accuracy: 1% Working Temperature: -10~+70 Degrees Celsius Working Pressure: 80-106kpa Installation Dimension: 58mm x 28mm Operating Current: