Features a unique, attractive design and provides a fast, accurate, simple way to take a temperature through the ear. The reading is provided in just one second (scans the ear 512 times per second)! The thermometer does not require a protective lens cover-its waterproof tip can be easily cleaned with water or rubbing alcohol. Each unit comes with a CR-2032 lithium battery, trilingual instruction manual and quick-start card. Measuring accuracy ±0.4 degrees F (0.2 degrees C): From 96.8 degrees F to 102.2 degrees F (36 degrees -39 degrees C) ±0.5 degrees F (0.3 degrees C): Less than 96.8 degrees F (36 degrees C) or greater than 102.2 degrees F (39 degrees C). Display resolution 0.1 degrees F or degrees C. Ten-memory recall.