Feature:1. Multi Function: This digital thermometer can display humidity percentage, alarm clock, calendar, indoor and outdoor temperature, and is powered by AAA batteries (including).2. Digital Display: The humidity meter features a large digital display that clearly displays the humidity temperature and is very easy to read.3. External Waterproof Probe: Our outdoor and indoor thermometer is equipped with an external waterproof probe with 1.5m sensor cable, flexible and convenient to use.4. Applicable Scenes: This digital thermometer is very suitable for aquariums, schools, greenhouses, garages, warehouses, baby rooms, laboratories and gardens.5. Convenient Design: The multi functional digital thermometer has a support bracket behind it, so you can hang up our electronic thermometer or put it on the table.Specification:Item Type: Digital Hygrometer ThermometerMaterial: PlasticGross Weight: 150g / 5.3ozTemperature Measurement Range: -20C to +60C(-4 -+140)Battery: AAA battery (included).Package List:1 xDigital Hygrometer Thermometer(Battery Included)1 x User Manual