The Timex T121B alarm clock lets you customize your sleep routine with a few simple steps. Easily program your time and alarm settings, then wake to the built-in buzzer. Use the display dimmer to adjust the level of brightness to suit the lighting in your room. The convenient alarm reset button will silence an alarm, and the clock will automatically set for the next day at the same time. Plus, the battery backup feature will maintain your alarm settings, even in the event of a temporary power failure. With a sleek and compact design, this Timex alarm clock will complement any bedroom or home office decor.