Powered by 3 AAA batteries (batteries not included) Size 3.11″ x 3.11″. Comes with 3 sides to customize. Left Side, Right Side, Top Digital screen Shows: Time/Day-Date-Month/Temperature Colour: White LED Colors-White, Yellow, Orange, Green, Blue, Purple, Cyan. Expect 2-3 day lead time on all Custom Printed Products (doesn’t apply to Blank items)