Specifications:Model: ACM91Color: BlackDisplay: 6000 countsDC current: 6A/60A/100A 0.001A/0.01A/0.1A (3.0%+5counts)DC current(A): 0-200A 0.1A (0.8%+5counts)AC current: 6A/60A/100A 0.001A/0.01A/0.1A (2.5%+5counts)DC voltage: 6V/60V/600V 0.001V/0.01V/0.1V (1.0%+3counts)AC voltage: 6V/60V/600V 0.001V/0.01V/0.1V (1.0%+3counts)Low impedance LOZ: Max 600V Resolution 0.1VResistance: 600/6k/60k/600k/6M 0.1/0.001K/0.01K/0.1K/0.001M (1.0%+3counts)60M 0.01M (1.2%+20counts)Capacitance: 600F/6000F 0.1F/1F (4.0%+3counts)Frequency: 60Hz/1000Hz 0.1Hz/1Hz (1.0%+5counts)Frequency(by jaws): 60Hz/1000Hz 0.1Hz/1Hz (1.0%+5counts)Buzzer: If the resistance is less than 30, the continuity beeper soundsTemperature: -20~500 1/2 (2.0%+2counts)Jaw Capacity: 20mmPower: 1.5V (AAA) x 2 (No included)Security certification: EMC, FCC, ROHS, LVD, WEEEWeight: 355g / 12.5oz Features: Low Impedance (LoZ) mode for identifying and eliminating ghost or stray voltages. Dual line display can show both AC voltage/current and frequency or Celsius and Fahrenheit on the screen. Measure AC/DC current (minimum 1mA by jaws) Measure microamps A (minumum 0.1A by terminals) Measure AC/DC voltage V-alert measurement, live-wire check Measure frequency, temperature, resistance, continuity and capacitance Low impedance voltage measurement Clamp on frequency function Auto range, Auto power off, data hold, low battery indication with backlight Conform to the IEC-61010-1, IEC-61010-2-030, IEC-61010-2-032, IEC-61010-2-033 standards Over-voltage protection class CAT III 300V, CAT II 600V, pollution degree II