Features: Portable pen type multimeter, used to test DC & AC voltage, resistance, positive diode voltage fall and audible continuity. 2000 counts digit LCD monitor with character 12mm high offers clear readings. Use the toggle switch to select functions and ranges. Other 3 keys to lock display value, turn on/off backlight, choose resistance, diode or continuity test, change units(DC or AC). With auto range control function, over-range indication and low battery indication. Auto Power Off: it will switch to standby mode automatically after 15mins if there's no operation. The anti-slip cover with test probe slots can protect multimeter and organize probes as well. Specifications: Material: plastic Display: LCD display with backlight