A unique multi-function clock that lights up the backlight and changes the function display every time it's rolled. Includes instruction manual. ▪️ Functions: Functions change when rolled. ▪️ Design: Square shape, simple black color. ▪️ Other: Operation buttons on the back. ▪️ Color: Black I received this as a gift, but I rarely use it, so I'm selling it. Please purchase only if you understand that this item has been stored at home. Thank you for looking.