The Sharp 13.75" Quartz round Wall Clock features: Quartz time accuracy, its large numbers make it Easy to read the dial. has clear Glass lens that are easy on the eyes. This beautiful clock adjusts automatically to and from Daylight Savings Time. it is a basic addition for every office/business, home and school. The clock's white face and black outer rim make it easily blends in with almost any color scheme. Sets itself by receiving radio waves and auto adjust for time change one year.