This clock incorporates many of the features our clients have been asking for, including:- Very high speech quality. Full reporting of the day and date as well as the time. Automatic adjustment for summer/winter time changeover. Selectable speech styles i.e. "Two Twenty Eight PM" or "Almost Half Past Two". Separately adjustable speech and alarm volumes. Choice of alarm sounds. 1 button reporting of current settings. Selectable hourly report. No loss of time settings when changing the battery, etc. etc. Supplied with a removable cover which protects buttons from accidental operation and completely covers the set up buttons.Designed to be very quick and easy to set the calendar clock is powered by 1 x standard 9V PP3 Alkaline battery.