The Porthole Desk Set includes a clock and barometer that are set into a mahogany finish base made from solid North American hard wood. The polished brass finish is tarnish free and never scratch. There is an indentation in the wood base for a pen and rubber feet under the base to protect the desk or shelf. Battery and brass plate suitable for engraving are included. This product has a lifetime warranty. It measures 10-1/4" W x 2" H." 5-1/4" D.