Digital Weather Station Display Alarm Calendar Clock Thermometer Humidity High/Low Alert Wall-mounted & Table Place Feature 1. High-definition large screen, wide viewing angle 2. Background color partition, accurate reading 3. Comfort reminder 4. over-limit color alarm prompt 5. Temperature and humidity trend for arrow tips 6. 2 sets of alarm clocks Specification Size: 12.5 * 12.5 * 2cm Placement: hanging and standing Power supply: USB for DC 5V or 3 * AAA batteries Temperature display: Centigrade/Fahrenheit.(Switchable) Humidity range: 20-95%. Description This digital thermometer hygrometer clock features an big screen and has a wide view angle. The digital thermometer alarm clock uses different background color for better identification, and the reading is accurate. The hygrometer alarm clock will show the color alarm when the temperature or humidity is over the limit. The digital clock allows you to set two alarms that can provide an additional reminder. The thermometer alarm clock is powered by two methods, can be powered by power cable or 3pcs AAA batteries. Package included:(with retail box) 1 * Indoor Thermometer Alarm Clock 1 * User Manual 1 * Power Cable