Feature:1. 3-in-1 Function: Perpetual calendar function, temperature and humidity function and multimeter function. You can also check the date/time of the day synchronously when working, and the perpetual calendar will not be closed when turned off, helping you better manage your time.2. Multi-Function: This multimeter features AC/DC voltage, AC/DC current, capacitance, resistance, frequency, diode, frequency and temperature measurements.3. High-Definition Large Screen: LCD backlight screen is clear at a glance, the font is clear, and it can be used normally during the day and at night, suitable for various working environments.4. Hidden Support Frame: Vertical support design, adjust the angle after pulling out, stand fixedly, easy to carry and place during work.5. Wide Range of Uses: The digital multimeter is designed to be safe, accurate and suitable for a wide range of scenarios, engineering operations and mechanical maintenance can be handled with ease.Specification:Specifications:Color: Black / Red (Optional)Material: ABSAC Current: 0mA-10A, 0.1mA-0.01A, ±(2.2% reading + 10 words)DC Current: 0mA-10A, 0.1mA-0.01A, ±(1.8% reading + 8 characters)AC Voltage: 0mV-600V, 1mV-1V, ±(1.5% reading + 8 characters)DC Voltage: 0V- 600V, 1mV-1V, ±(1.2% reading + 5 words)Resistance: 0-40M, 0.1-10K, ±(1.5% reading + 10 words)Capacitor: 0nF- 40mF, 10pF-1F, ±(6% reading + 20 words)Hz: 40Hz-4MHz, 0.1Hz-0.001MHz, ±(1.5% reading + 10 words)Diode: √Temperature /: √Buzzer: √Humidity: √Automatic Power-Off: 15min no operation, auto power offPerpetual Calendar: √ Alarm Clock: √ Maximum Count: 4000 CountData Retention: √ Backlight Display: √ Battery Model: 2 * 1.5V AAA batteries (Not included)Low Power Prompt: √ Item Size: 135 * 74.5 * 23mm / 5.31 * 2.93 * 0.91inItem Weight: 126g / 4.44ozPackage Weight: 275g / 9.70ozPackage Size: 17 * 11 * 4.2cm / 6.69 * 4.33 * 1.65inPackage List:Package List:1 * Multimeter2 * Test Pen Line1 * Storage Bag1 * Packaging Color Box1 * User Manual (English)