[Automatic Function]: The portable digital multimeter automatically powers off after 15 minutes of inactivity. It needs to be turned off and on again to resume power. The low battery indicator light will illuminate when the battery is low. [Large LCD Screen]: The digital automatic multimeter features a large backlit LCD screen, ensuring clear visibility from various angles. This practical reading tool is easy to use for reading displayed values, making it suitable for laboratories and factories. [Non-Slip Stand]: The professional tester's protective casing is made of orange, non-slip, and slightly elastic plastic. It's designed to protect against drops and minor impacts. The stand can be propped up at a 45-degree angle for easy screen viewing. Wide Multimeter Applications: The voltmeter can function as an ammeter, and the voltmeter ohmmeter can measure voltage, AC/DC current, resistance, capacitance, frequency, temperature, continuity testing, and transistor testing, meeting your diverse needs.