Non-Contact Thermometer: Using infrared technology, you can measure body temperature without touching the ear or forehead to prevent cross-infection in multiple people. Measuring distance: 0.4 - 1.96 inch. Instant Accuracy: This non-contact thermometer is equipped with advanced infrared technology and high precision sensor for instant temperature reading within one second. The temperature measurement accuracy is within ±0.4℉. Smart and silent alarm mode: The non-contact forehead thermometer has a large LCD backlight, available in 3 different colors in function of temperature, accompanied by a warning sound in case of abnormal temperature. It also has an auto shut-off feature to save energy. Set mute mode to get clear measurements in the dark without disturbing the baby's sleep. Multiple measurement modes: This infrared thermometer measures body temperature and the temperature of an object or liquid. It is suitable for all ages. Press and hold the set button for 3 seconds, then press memo or mode to  and ℉. Our digital thermometer can store 50 readings to constantly track your family's temperature. What You Got: 1 thermometer, 2 AAA batteries, 1 manual, 12 months worry-free warranty and friendly customer service.