Feature: 1. With Large Screen: The thermometer has a large screen display, the font size is large and clear, the temperature and humidity are clear at a glance. 2. High Accuracy: Accurately sense subtle changes in temperature and humidity, and quickly collect data to improve measurement accuracy. 3. Premium ABS: The digital hygrometer is made of ABS resin material, with high strength, good toughness and durability. 4. Induction Holes: Thermistor, corrosion resistance, induction holes on both sides, more accurate data, induction holes on the upper and lower sides of the back, making the air wider. 5. Alarm Clock Function: Extensive contact with the internal sensor sheet, the sensing is more sensitive, the data is more accurate, there is an alarm clock function, and it is easy to say goodbye to the bed. Specification: Item Type: Digital Hygrometer Material: ABS Gross Weight: 102g/3.6oz Temperature Measurement Range: -10 ℃-50 ℃ Temperature Measurement Accuracy: ± 1.0 ℃ Humidity Measurement Range: 10 percents RH to 99 percents RH Humidity Measurement Accuracy: ± 5 percents RH Battery: 1 x triple A battery, included. Package List: 1 x Digital Hygrometer1 x Battery