ADTEMP Digital Ear Thermometer features: Measures core temperature instantly from the ear reliably and accurately . Range 89.6??F-108??F ?? .4??F or 32??C-42.2??C ?? .2??C depending on scale selection . Probe cover FREE design is less costly and more convenient to use . Large 6mm display is easy to read . Compact (5" Long, 1.9 oz.) ergonomic design fits comfortably in operator's hand and patient's ear . Fever alarm at 99.5??F (37.5??C) . 12 reading memory . Complete with Lithium battery, storage/travel case, and operating instructions