1.Productivity timer perfect for individual use or small groups use this 99 minute countdown clock timer to stay on task,assists with organization and concentration. 2.The timer has 6 preset timing intervals,3/5/15/30/45/60 minutes.Simply turn the timer position to start countdown.Unique cube-design,novel and interesting,make you fall in love with time management. 3.Dual Timing Modes.The hexagon timer offers countdown and count-up modes.Apart from the 6 preset countdown and custom countdown,you can start count-up mode by placing the timer bottom up,and stop it by standing the screen up.The timer range is 00:01 to 99:59.Easy timer setup for maximum comfort. 4.Suitable for Scenarios.The digital timer is a perfect tool for office,work,meetings,kids,study,reading,workout,cooking,and more.Needless to say,this timer 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 * Timer 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.