Description1. Productivity timer perfect for individual use or small groups, use this 99minute countdown clock to keep you busy, helping with organization and concentration.2. The timer has 6 preset time intervals, 3515304560 minutes. Simply rotate the timer position to start the countdown. Unique cube design, novel and interesting, make you fall in love with time management.3. Dual time modes. The Heagon timer offers countdown and countup modes. In addition to the 6 preset countdowns and custom countdown, you can start the countup mode by placing the timer with the bottom facing up and stop it by placing the screen facing up. The timer range is 0001 to 9959. Easy timer setting for maimum convenience.4. Suitable for various scenarios. The digital timer is a perfect tool for office, work, meetings, children, study, reading, eercise, cooking and more. Of course, this timer can be used in thousands of scenarios5. 3.5 inches, Top width 2.6 inches, Bottom width 2.36 inches 0.37 lb, Requires 2 AAA batteries, Flashing backlit visual alert. Easy to use.Power supply 2 AAA batteries Batteries not includedColor BlackMaterial PlasticPackage contents2 TimersOnly the above package contents, other products are not included.Note Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is 13 cm.