Rechargeable Alarm Clock, Digital Alarm Clock Mains Powered Bedside With Adjustable Brightness, 12/24 Hours Date And Temperature Display Snooze Functi f54 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.Adjustable Brightness - The alarm clock has the function of automatic and manual adjustment of light, you can choose according to your needs.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 size: 13x8x4.5cm, 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. It is also nice as Valentines gifts for her or Mothers day gift and easter gift.