Open concept design background provide an unmatched level of sophistication that will stand out in any background. Requires 1 AA battery, not included. This item ships in 1 carton. Roman numerals for the hour markers. The clock mechanism runs silent. Can be hung vertically using the keyholes; nails and screws not included. Suitable for indoor use only. This item ships fully assembled in one piece. This is a single black colored kitchen clock. Contemporary style.