1. PROFESSIONAL TIMER: Can be used as a countdown stopwatch, sets two sets of preset times, and sounds an alarm at the beginning and end of the preset time2. PRACTICAL AND PORTABLE: The timer also offers a variety of functions, including adjusting brightness for the scene, and is 1.4inches in size, easy to carry3. EASY TO USE: The cube timer features three easy to set buttons that you can quickly master4. HD DISPLAY: Countdown stopwatch features a bright HD 1.4in high digital display that can be seen from dozens of feet away5. APPLICABLE SCENARIO: Time cube is perfect for private occasion such as chess casino table games and is perfect for giftingNote:Installation guide not included, we strongly recommend you professional installation.Please check as much as possible to make sure the item is what you need.Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect UseColor:GreenMaterial:plasticPackage Contents:1 x Cube TimerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.