Easy to clean with slick design To adopt flat switch and without scraggly surface, more easier to clean Credible design, shows battery power Batter power shows through club-shaped chart, which indicated on the LCD screen. Without any operation for 5 minute, it will be turned off automatically. In addition, new Alkali dry cells can be worked for 100hrs continuously. Soft alarm sound can be chosen 3 kinds of tamber, adjustment of volume or without voice. Patients only undertake little test electric current Only go through little current, patients will not feel any ache in a very comfortable treatment. Precise measurement results, irrespective of dry or wet in the root canal CHARACTER Need not to make adjustment automatically, high precise Be use of high integration agglomerate, function all in single integration agglomerate, to realize computerized. It is not necessary to make any adjustment according to different patients. Automatic calibration ensures accuracy and eliminates the effect of changes in temperature, moisture, etc. inside the canal, even during the treatment. With two kinds of different frequency signal, precise measurement results, irrespective of dry or bleeding purulence in the root canal. Precise measurement results, although it's filled with NaCLO2, Physiological Saline, H2O2, Water, etc. Irrespective of kinds of teeth, size of root tip, thickness of root canal file. Exact visualization of the file tip position on Large color display High precise, high contrast Large color display To make position of root canal file the same as indicator bar, adopts large LCD display with exact visualization. Set Shining position of root tip arbitrarily, to as length sign during operation. Can be sterilized by autoclave Dapper root file holder Root canal holder, contrary electrode can be sterilized by autoclave. With dapper holder, it's convenience for dentist during operation.