1,ACCURATE AND CONVENIENT: Automatic digital multimeter can accurately measure voltage, current, resistance and frequency, convenient and practical 2,SMALL BURN PREVENTION DESIGN: The mini pocket type digital multimeter feature excellent ABS material and burn prevention protection for safe use 3,COMPACT AND PORTABLE: The multifunctional digital display multimeter is small in size and easy to carry, suitable for various scenarios and working environments 4,WIDE APPLICATION: Multi tester is a perfect device for solving electrical problems in a wide range of industrial and household devices such as electronic equipment, household appliances, power supplies and wiring systems 5,DATA RETENTION: When the measurement reading is unstable, press the HOLD button to fix the reading, and the data hold button is convenient for reading and recording