The Model 2159t features a built-in hygrometer and thermometer to monitor your indoor climate.

Toggle the switch on the back to "ON" to enable power-saving mode.

Replace the batteries or switch to the USB power cable.

💡 Use the button while in standard time mode to toggle between 12-hour and 24-hour (military) time formats. Managing Alarms and Snooze Never miss an appointment by configuring the daily alarm:

The device predicts weather trends (Sunny, Cloudy, Rainy) based on changes in atmospheric humidity. Display Brightness and Voice Control

Press the MAX/MIN button to view the highest and lowest temperature and humidity readings recorded over the last 24 hours.

Insert backup batteries to save your settings during power outages.