This is the portable projection clock that displays the time and date on a wall or ceiling. The easy-to-access buttons on the front of the clock activate and rotate the auto-focus projection image. With an adjustable projection arm, 12- or 24-hour time display option, built-in calendar, snooze function, and one USB port for charging a smartphone or other electronic device. It also folds to the size of a wallet (4 1/2" L x 1" W x 3" D) and can be easily stowed in a backpack or suitcase for travel. Powered using an included USB cable or two AAA batteries (required). Open 4 1/2" L x 3" W x 3" D. (8 oz.)