1、Multi Function: Digital hygrometer thermometer can not only measure indoor temperature and humidity, but also be used as a desktop alarm clock. It can set time and alarm clock, with 12 and 24 hour switching. 2、Accurate Measurement: With convection hole on the back, this multifunctional can measure the temperature and humidity accurately. Sensitive sensing to ensure high accuracy. 3、Large Digital Display: The humidity meter features a large high definition digital display which can clearly displays the humidity temperature datas, and it is very easy to read. 4、Powerful Magnet: Built in powerful magnet, so this multi function digital thermometer hygrometer can be adsorbed on any objects surfaces containing iron. 5、Applicable Scenes: This digital thermometer is very suitable for aquariums, schools, greenhouses, garages, warehouses, baby rooms, laboratories and gardens. Item Type: Digital Hygrometer Thermometer Material: ABS Gross Weight: 72g / 2.5oz Size: 9.4x6.8x1.2cm / 3.7x2.7x0.5in Color: White Temperature Range: -9.9°C-70℃ Humidity Range: 20%-99% Battery: 1pc button battery, CR2032(not included) 1 x Digital Hygrometer Thermometer 1 x Manual