Feature:1. PROFESSIONAL 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 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 master using the user manual4. 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 great for private occasion such as chess casino table games and is great for giftingSpecification:Item Type: Cube TimerMaterial: ABSPower Supply: 3 x AA dry batteries(not include).Package List:1 x Cube Timer1 x User Manual