Features:1. New type holster,streamline design.2. Large LCD makes the reading clearly. 3. Metallic Screen board with stronger antimagnetic and anti-interferential function. 4. No Power off under natural operation. 5. Full function protection,anti-high voltage circuit design. 6. Unit symbol display and 61 section analog bar display,reading clearly.7. Relative value ,Frequency/Duty Cycle measuring,Data hold,Max./Min.value hold, Technical Data. 8. quickly analog bar display.