Features: Handheld pen multimeter for testing DC and AC voltage, resistance, positive diode drop and sound continuity. 2000-digit LCD display with 12mm character height and clear readings. Use the toggle switches to select features and scope. 3 other keys lock values: display, turn on/off backlight, select resistor, diode or continuity test, change units (DC or AC). Features automatic range control, over-range indication and low battery indication. Auto power off: Automatically enter sleep mode after 15 minutes of inactivity. Non-slip cover with test probe slot protects multimeter and organizes probes. Features: Material: ABS plastic Display: LCD screen, switchable backlight Power supply: 2 x 1.5V AAA batteries (not included). DC voltage range: 200mV/2V/20V/200V/600V DC Voltage Resolution: 0.1 mV/1 mV/10 mV/100 mV/1 V AC voltage range: 2V/20V/200V/600V AC voltage resolution: 1mV/10mV/100mV/1V Resistance range: 200 /2 k/20 k/200 k/2 M/20 M Resistance resolution: 0.1/1/10/100/1k/10k Operating temperature: 040 (relative humidity