Features: Auto ranges 550V protection in Resistance.Capacitance and Frequency ranges Large LCD display,MAX display 2000 counts Sample rate: 3 times per second Backlight Polarity identification Low voltage indication current measurement Auto power off Main measurements:AC/DC Voltage, AC/DC Current, Resistance, Diode and Continuity Testing AC volts: 0.1mV to 750V DC volts:0.1mV to 1000V AC current:0.1uA to 200mA DC current:0.1uA to 200mA Resistance :0.1 to 20M Specifications: (1)DC volts:200mV/2V/20V(0.8%+5),200V/800V(1.0%+8) (2)AC volts: 200mV(1.5%+8),2V/20V/200V(1.2%+5),600V(1.5%+5) (3)DC current:20mA(1.5%+5),200mA(1.2%+5) (4)AC current:20mA(2.0%+5),200mA(1.5%+5) (5)Resistance:200(2.5%+5),2K/20K/200K/2M(1.0%+5),20M(2.5%+5) (6)Over range indication: OL (7) Working environment: 0~40 C, relative humidity < 80% (8) Supply power: 3V (1.5V AAA batteries *2 Pcs) (9) Dimension: 130*65*30mm