Features LCD and Audio Time Report Alarm Hourly Time Announcement option Keychain Announces time as you set it The ideal talking portable alarm for the visually impaired. 1/4" tall numbers on LCD display. Simply touch a button and a chime sounds and the time is spoken. Alarm sounds as rooster crow. Touch a single button to silence alarm, or if not silenced by user, it turns itself off after one minute. You can also set an hourly time announcement, or turn this feature off whenever you want. Other Features: Announces time as you set it and alarm time as you set it. Keychain with 1” Diameter Key Ring Color: White with gray button Measures: 2-3/4” Long x 1-5/8” Wide x 5/8” Thick. Weighs: .05 lbs. (less than an ounce!) Uses 2 AG13 alkaline batteries (included.) Product dimensions (imperial): 0.625 inch H x 2.75 inch L x 1.625 inch W Product dimensions (metric): 15.88 mm H x 69.85 mm L x 41.28 mm W