Feature 1PROFESSIONAL SHOOTING 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 time 2PRACTICAL AND PORTABLE: The timer also offers a variety of functions, including adjusting brightness for the scene, and is 1.4inches in size, easy to carry 3EASY TO USE: The cube timer features three easy to set buttons that you can quickly master using the user manual 4HD DISPLAY: Countdown stopwatch features a bright HD 1.4in high digital display that can be seen from dozens of feet away 5APPLICABLE SCENARIO: Time cube is perfect for private occasion such as chess casino table games and is perfect for giftingItem Type: Cube TimerMaterial: ABSPower Supply: 3 x AA dry batteries(not include) .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Cube Timer1 x User Manual