Advantages： 1. The one-button operation, simple and convenient. 2. High testing accuracy, widely used in different oral environment . 3. Automatic calibrating ensures the measurements are accurate. 4.The File clip, Lip hook and Touch probe can be sterilized by autoclaved sterilizer. 5.Small size,big ability,more accurate multi-frequency measurement.The measurement is not affected by the types of teeth Attention: Transportation restrictions，no batteries Packing List 1*Main Unit 2*Lip hook 2*File clip 2*Touch probe 1*Measuring wire 1* English Manual FDA Statement The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, you can bid on this item only if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. Seller name:Dentistryshop City,State:SHENZHEN,China Telephone number:0755-23998164