【Upgraded high accuracy】: Infrared temperature sensor collects one hundred data per second with a resolution of 0.1℃ (0.1℉). Distance detection sensor guide users to place the device within required distance. Environmental temperature sensor will adjust measurement together with yuwell exclusive algorithm to give you accurate readings 【Easy to use - One-button control】 makes yuwell digital thermometer very easy to use, records temperatures in one second. and with one push of the button, the non touch thermometer is ready to go again 【Vibration reminder】: After the measurement, the forehead thermometer will vibrate and make a "di" sound alarm with large readings display on the backlit screen. you can switch to mute mode if you want to take a temperature in the night. The thermometer will vibrate only and make no sound 【Superior performance】: Yuwell baby thermometer has mature technology and humanized design, you can take the temperature with one hand easily. One of the only thermometers for adults and kids with CE certificate, supported by clinical studies and yuwell's 27 years of medical device expertise. 【What you get】: 1 thermometer gun, 1 carrying case, 2 aaa alkaline batteries, 1 user manual and 7 x 24 hours customer service