The Braun ThermoScan¨ PRO 4000 is the only electronic ear thermometer with a preheated probe and sensor for reliable temperature readings on patients of all ages. Featuring exclusive ExacTempª technology to ensure proper positioning and improved accuracy in three to seven seconds, the new PRO 4000 is one of the fastest thermometers ever developed. Lightweight, simple, fast, accurate, and affordable the new PRO 4000 is the perfect solution for any medical practice or hospital setting.