1、No Need to Change Gears: Intelligently identify each gear, automatically switch gears, and work more efficiently. 2、Intelligent Anti Burning Design: The non shifting design makes the chance of misuse to cause the watch to burn out. 3、Unique Appearance Design: Exquisite craftsmanship, with temperature probe and meter pen, easy to operate and convenient to use. 4、Functions: AC and DC voltage, AC and DC current, resistance, capacitance, frequency, temperature, on off buzzer, NCV, zero live wire discrimination, data retention. 5、High Accurate Measurement: 4000 words display digital multimeter; millimeter level accuracy, multiple quick measurement functions. Item Type: Digital Multimeter Model: ZT-S4 Material: ABS + Rubber Battery: 2 x 1.5V AAA Battery(Not Included) Purpose: AC and DC voltage, AC and DC current, resistance, capacitance, frequency, temperature, on-off buzzer, NCV, zero live wire discrimination, data retention. Basic Parameters: DC Voltage (V): 4V/40V/400V/600V AC Voltage (V): 4V/40V/400V/600V AC (mA): 999.9mA AC (A): 9.999A DC (mA): 999.9mA DC (A): 9.999A Resistance: 4kΩ/40kΩ/400kΩ/4MΩ/40MΩ Capacitance: 4nF/40nF/400nF/4μF/40μF/400μF/4mF 1 x Digital Multimeter 2 x Test Lead 1 x Temperature Probe 1 x Manual