2. The has 6 preset time intervals, 3/5/15/30/45/60 minutes. Simply turn the position to the countdown. cube design, novel and interesting to make you fall in love with time management. 3. Dual timing. The hexagon provides countdown and count-up. Apart from the 6 preset and custom countdown, you can the countdown, set the from bottom to top, and stop it, put the screen up. The range is between 00:01 and 99:59. Easy setup for maximum convenience. 4. Suitable for different scenarios. The digital is a perfect tool for office, work, meetings, children, learning, reading, training, cooking and more. Of course, this can be used in thousands of scenarios 1. Productivity , perfect for individual use or for small groups. Use this 99 minute countdown to stay at work and helps you organize and concentrate. 5. 3.5, Top Width: 2.6, Bottom Width: 2.36; 0.37lb, Requires 2 x AAA Batteries, Flashing, Backlit Visual Warning Easy to use.