1. Voice-activated wake function: When powered by battery, this travel alarm clock features a voice-activated function that can be awakened by clapping hands, tapping the table, or touching the clock. 2. Automatic power-saving mode: The LED display automatically turns off after 20 seconds of inactivity to conserve energy. 3. All-in-one display: The clock combines alarm, time, date, and indoor temperature in a single device for quick reference. 4. Indoor temperature monitoring: Built-in temperature display helps you monitor the room temperature for comfort and well-being. 2-3 practical use scenarios - In a hotel room or Airbnb: Wake up easily without hunting for a button, and quickly check the room temperature to adjust the thermostat for a comfortable start to your day. - While traveling or in transit: Battery-powered operation with a simple wake action makes it reliable on the go, even when outlets are scarce. - On a desk or bedside at home: Keep track of time, date, alarm, and indoor temperature at a glance, with an energy-saving feature that extends battery life.