*Lithium-ion rechargeable battery, no memory effect and long life, can last working for hours. Charging time is short, meanwhile it still can remain working.
*Improve the capacity of the circuit, reducing the operating voltage, power consumption and circuit noise falling.
*To improve the sensor-driven institutions, materials and processes, the assembly of more accurate, more stable measurement.
*The new designed interface shows an increase of measurement tips and low-voltage measuring tips.
*Increase the sensor probe protected doors, effectively protect the sensor probe to ensure the accuracy of the measurements.
*An increase of LCD backlight to make consumers convenient to use in the dark.