Mabis Healthcare, Inc. Digital Ear Thermometer, With 20 Covers Digital Ear Thermometer delivers fast, one-second measurements. Patented infrared sensor reduces distance from sensor to eardrum, allowing greater accuracy. Special insulation means ambient heat does not interfere with the reading. No more squirming or missed readings. Features temperature tone signal, fever alarm, memory recall of last reading and large display. Celsius/Fahrenheit switchable. Digital Ear Thermometer comes with 20 probe covers and a storage case.