The AcuRite Intelli-Time Alarm Clock features Intelli-Time Technology to ensure that your clock and alarm are accurate even after power interruptions or unplugging. Intelli-Time clock automatically updates itself for Daylight Saving Time. Large digit display makes it easy to see the time in the middle of the night. Includes high / low setting for alarm volume and LED light dimmer. One-year limited warranty. It's more than accurate, it's AcuRite.