Do you often go on business trips? Do you feel tired of the time differences among different countries in the world. Please don't worry about it since this travel desk alarm will help you a lot. It has compact in size, multiple in functions and easy to carry in characters. Features: Simple and fashion in design. Black in color which is never out of the date. Compact in size, durable to use and easy to carry. Special design in closure flipping section, in very tight working space can perfect flipping. Multiple in functions, such as displaying with LCD, checking time, setting clocking time and date displaying function. Has a major city's time comparison chart which is under the bottom of the alarm. All the function keys are on the background of the alarm. Attach with a protective jacket. Appropriate for the person who often go on a business trip. Power by: A CR2025 battery (include) Unfold size: 104 x 120 x 16 mm Fold size: 104 x 64 x 16 mm Size of the protective jacket: 115 x 72 mmWarm remind:- To use this products in the first time, please be sure to remove the insulation of the battery. Otherwise the alarm would not perform correctly.- Any further information, please see the user manual.