Welch Allyn Braun ThermoScan Pro 4000 ThermometerFor patients and situations that require fast, accurate, non invasive temperature measurement, the Braun Thermoscan PRO 4000 infrared ear thermometer measures body temperature accurately in approximately 3 7 seconds. Exclusive ExacTemp technology provides an active user feedback system to help with proper positioning and improved accuracy Preheated probe tip and sensor improve accuracy and repeatability Automatic probe cover eject button for quick and