Feature: 1. TEST PARAMETERS: Used for accurate measurement of AC DC voltage, resistance, NCV, diode, continuity, capacitance, temperature, frequency, live wire, etc. 2. APPLICABLE SCENES: Applicable to household socket, fuse, battery, automobile circuit troubleshooting, charging system, electronic equipment detection, etc. 3. MULTIPLE FUNCTIONS: The multimeter supports data retention, low battery indicator, continuous buzzer, LCD backlight screen, and suitable for use in dim areas. 4. HIGH EFFICIENCY: The conversion rate of the multimeter is 3 times per second, and the LCD display is 9999 times at most, indicating the input polarity. 5. WITH BATTERY: With 3.7V 1000mAh lithium battery and USB cable, the multimeter can be used anytime and anywhere without worrying about power supply. Specification: Item Type: Digital Multimeter Power Supply: Built in lithium battery 3.7V 1000mAh (built in battery) Maximum Allowable Voltage Between Measuring Terminal and Ground: 1000VDC or 1000VAC RMS Temperature Coefficient: 0.1 accuracy (28℃) Display: The maximum 9999 counts LCD display, which automatically displays the unit sign according to the measurement function gear. Over Range Indication: LCD will display OL. Package List: 1 x Multimeter1 x User Manual2 x Temperature Probes1 x USB Cable1 x Accessory Line