DuaFire Morning Digital Alarm Clock for bedrooms,with Controllable Smart Backlight,Snooze Function Wake up Nightstand Beside Clocks(Black) Large digital display can show time, date, temperature, alarm Adjustable time and date format, circumstance temperature monitoring function Smart and controllable backlight. Turn on the sensor, backlight will automatically give off soft lights in dark. If you don't want use the sensor function, just press the button in the top and the clock will lighting backlight for 3-5 seconds Alarm sound stronger gradually, softly wake you up from sleeping. Snooze function design will ring again 5 minutes later after you turn down the alarm Power source: 3 AAA 1.5V battery operated only, energy-saving design. Perfect for travel and bedside use