Auto Function: Handheld Digital Multimeter will automatically shut down 15 minutes after power on. It must be turned off and then back on to continue feeding. When the battery is low, the indicator light will turn off. Large LCD Screen: Automatic Digital Multimeter has a large backlit LCD screen, which can be clearly seen from different angles. Practical reading tool, easy to read the displayed value, suitable for laboratories and factories. Non-slip Support: Professional Electrical Tester protective cover of the multimeter is made of orange plastic, non-slip and slightly soft. To prevent drops and small bumps, you can hold the pop-up stand at a 45 degree angle so that you can easily see the screen. Wide Use of Multimeter: The voltmeter can be used as ammeter, ohmmeter voltmeter can measure AC/DC voltage and current, resistance, capacitance, frequency, temperature, diode and continuity test, transistor test. in order to meet to your various needs.