Braun Thermoscan® Pro Thermometer Delivers Results In One Second. Position The Probe Tip In The Ear Canal And Push A Button For A Virtually Instantaneous And Accurate Reading. The Braun Thermoscan Pro 4000 Thermometer Allows For A Wide Range Of Patient Temperatures In A Variety Of Ambient Temperatures. The Ergonomic Design Is Comfortable And Durable. Three-Year Limited Warranty. Wall-Mount Base And Probe Covers Are Also Available. Thermoscan Pro® Disposable Probe Covers Help With Protection Designed For Patient Comfort, Disposable Covers Help Protect The Unit, User And Patient From Potential Cross-Contamination. Probe Covers.