The traditional "in ear" method preferred by physicians and the easy, non-intrusive "forehead" option, that is ideal while children are asleep or are sensitive to touch. Diagnostic Fever Indicator & Memory Log assist caregivers to monitor temperature readings. The Health Check offers a portable design and requires no expensive and cumbersome replacement probe covers. Extra features include a built-in flashlight, LCD display and current room temperature. Runs on 2 AAA batteries (included).