Long-Lasting - Energy-Saving, with large temperature monitor display. It contains 1200mAh lithium battery, which can be used continuously for one month under normal conditions. Smart Light Sensor - The alarm clock contains a sensitive light sensor. The background light can be controlled according to the light intensity of the eternal environment. During the day, the screen brightness will return to normal. Powerful Display - Digital screen display, alarm clock setting is very simple. Date, Hours 12/24h format and Temperature °F/°C unit on screen are switchable. Easy to carry for portable, just slide and press to set up. Gradual Ringtone - The alarm clock emits a dichroic sound, the sound and frequency gradually increase over time. Snooze Function can make the alarm sound again after it has been paused, just touch the button on the top, you can fall asleep at ease. Widely Use - This digital alarm clock with time, date and temperature,a great decoration for your desk, bedside, bedroom, home and office etc.<br><br>Colour: Black Material: ABS Size: 13.6 7.8 4.6cm<br><br>Package Contents: 1 digital alarm clock 1 usb cable