Ideal for patients of all ages, this easy-to-use thermometer gives you accurate, noninvasive temperature readings from the tympanic membrane. The unit features Peak Select System(TM) technology which records and analyzes 32 separate temperature measurements. The most accurate temperature reading is then displayed on a large LCD panel in less than 2 seconds. Thermometer is user-programmable for rectal, oral or core equivalencies in either °C or °F. Accuracy is based on ASTM Standard E1112-86. Unit includes one 9V battery, a removable coiled cord that attaches thermometer to base and a mountable base that holds a cassette of 21 disposable probe covers.