Professional looking World Time clock with detailed mapping by Rhythm with four separate analog clocks perfect for reception areas or work spaces. Each clock is able to display one of four different time zones of your choice. A solid wood frame surrounds the map of the world with a time zone grid. Comes with 37 world Cities that are names and 3 blank plates. Accurate Quartz movement keeps all four clocks close together and operates on 4 ‘AA’ Batteries which are included.