Basic Test Function: The smart meter that intelligently recognizes and measures AC/DC voltage, AC/DC current, resistance, frequency, on-off buzzer, etc., and automatically switches to the corresponding range. It can also manually switch the gears of diode, acity, temperature, etc., simple to operate that ordinary users can easily use. Compact Portable Size with Protective Case: Measured size in 6 * 6 * 1 inch, the mini-size multimeter is as small as your mobile phone, making it the ideal size for carrying, with a transparent case to protect the device from scratches and drops. Easy to Read LCD Screen: 3.8-inch super large high-definition LCD screen with up to 6,000 readings and a backlight that makes the readings more clear and accurate. Dual Flashlight Design: Two flashlights designed for auxiliary lighting in low light environment or in the dark. Reliable Quality: Made of strong and durable ABS material, the tester meets IEC61010 safety standards for 600V CAT II and pollution grade 2