1. Productivity perfect for individual use or small groups use this 99 minute countdown clock to stay on task, assists with organization and concentration. 2. The has 6 preset timing intervals, 3/5/15/30/45/60 minutes. Simply turn the position to start countdown.Unique cube-design, novel and interesting, make you fall in love with time management. 3. Dual Timing Modes. The hexagon offers countdown and count-up modes. Apart from the 6 preset countdown and custom countdown, you can start count-up mode by placing the bottom up, and stop it by standing the screen up. The range is 00:01 to 99:59. Easy setup for maximum comfort. 4. Suitable for Scenarios. The digital is a perfect tool for office, work, meetings, kids, study, reading, workout, cooking, and more. Needless to say, this can be used in thousands of scenarios! 5. 3.5inch, Topwide:2.6inch, Bottom wide:2.36inch; 0.37lb, Need 2 x AAA battery, Flashing backlit visual alert.Easy to use. Power Suplly:2 x AAA batteries(Not included batteries) Colour:Black Material:Plastic Package Contents: 1 * Only 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. 2. The has 6 preset timing intervals, 3/5/15/30/45/60 minutes. Simply turn the position to start countdown.Unique cube-design, novel and interesting, make you fall in love with time management. 5. 3.5inch, Topwide:2.6inch, Bottom wide:2.36inch; 0.37lb, Need 2 x AAA battery, Flashing backlit visual alert.Easy to use. 3. Dual Timing Modes. The hexagon offers countdown and count-up modes. Apart from the 6 preset countdown and custom countdown, you can start count-up mode by placing the bottom up, and stop it by standing the screen up. The range is 00:01 to 99:59. Easy setup for maximum comfort. 4. Suitable for Various Scenarios. The digital is a perfect tool for office, work, meetings, kids, study, reading, workout, cooking, and more. Needless to say, this can be used in thousands of scenarios! 1. Productivity perfect for individual use or small groups use this 99 minute countdown clock to stay on task, assists with organization and concentration.