Features: 1Large Screen Display: Digital electronic thermometer adopts large screen display large and clear font size temperature and humidity datas are clear at a glance. 2High Accuracy: Digital thermometer has a built in thermistor with high accuracy. There are sensing holes on the upper and lower sides of the back making the air wider and measuring data more accurate. 3Sensitive Sensing: Widely contacted with the internal sensor piece making the sensing more sensitive. Accurately perceive the subtle changes in temperature and humidity and quickly collect data to improve the measurement accuracy. 4Alarm Clock Function: In addition to accurately measuring temperature and humidity this thermometer also has the function of alarm clock which makes it easy to say goodbye to being bedridden. 5Durable ABS: The housing of indoor outdoor thermometer is made of prremium ABS material which has high strength high toughness strong and durable. Specification: Item Type: Digital Hygrometer ThermometerMaterial: ABSGross Weight: 115g / 4.1ozTemperature Measurement Range: -10 -70 Temperature Measurement Accuracy: 1.0 Humidity Measurement Range: 10% RH-99% RHHumidity Measurement Accuracy: 5% RHBattery: AAA battery (included) Package List: 1 x Digital Electronic Thermometer1 x AAA Battery1 x Manual