Features: Autoranging 3999 counts LCD display Tests AC/DC voltage, AC/DC current, resistance, capacitance, frequency and duty cycle Diode check and continuity test Over range protection for all ranges Data hold function Low battery indication Auto power off Specifications: Display: 3 3/4 digit LCD display Operating condition: 0 to 40 Degrees C/32 to 104 Degrees with relative humidity <80% R.H Storage condition: -10 to 50 Degrees C/14 to 122 Degrees F with relative humidity <70% R.H Altitude: <2000m Power supply: 2*1.5V AAA Battery (not included) Safety rating: IEC 61010-1, CAT.III 600V Dimension: 110*58*33mm (L*W*H) SKU: X1IN10273 Package includes: 1 * MS8232B Mini Digital Multimeter 1 * User manual