Rotary Auto Ranging Multimeter Voltage Resistance Measurement Buzzer 1. Display: high brightness color screen display 2. Maximum display: 5999 (356) bits auto-polarity display 3. Measurement mode: double integral AD conversion 4. Sampling rate: about 3 times per second 5. Over-range display: highest bit display -OL 6. Power supply: 2 x AA batteries (not included) 7. Weight: about 192g 8. Size: about 15.3 x 7 x 3.3cm 9. Packing list: host x1, SS-024 meter pen x1, manual x1, certificate of conformity x1 Functional features: 1. Auto range, automatic identification and measurement of AC and DC voltage, resistance, buzzer 2. Key + dial 2 in 1 operation, the use of intuitive and efficient, clockwise or counterclockwise rotation to adjust the desired measurement function 3. NCVLIVE measurement, detect the electrical field and sound and light alarm, high voltage when the red alarm light flashing 4. High-voltage diode output measurement, the voltage is 1V higher than the traditional diode measurement, it can be more convenient to measure all kinds of LEDs 5. High brightness display, color screen, high contrast, clear readings, with silent mode, compact and portable