Displays time, date and tide via LED. 'Time' is displayed in either 12 or 24 hour mode, and automatically adjusts for daylight savings. 'Date' is displayed in month / day format. 'Tide' counts down to east coast high or low tide in 1/2 hour increments via 12 clearly visible LEDs. AC powered, with a Lithium battery back-up to maintain time and date during power outages. LEDs do not display during power outage, but the clock will remain operational. Includes AC adapter and Lithium battery. Black dial only.