Fangrui Product Details [time Management Tools] - Visual Timer Overcomes The Inability Of Traditional To Concretize The Abstract Concept Of Time. The Visual Depiction Of "time Remaining" Enables Children, Students, Teachers And Adults To Practically Improve Their Time Management, Alleviate Anxiety, Refuse Procrastination, And Increase Productivity. [special Needs] - The Classroom Timer Utilizes A Color Disk To Show The Time Left So That Children Can Intuitively Understand The Passage Of Time. No Distracting Ticking, Children Can Focus More On Completing Tasks. For Special Populations And People With Constant Anxiety. Recommended For All Parents And Teachers. [easy To Use] - Turn The Dial Clockwise To Adjust The Time. It Will Alarm When The Time Is Up. This Visual Countdown Timer Alarm Can Set The Tone To Loud Or Low, And The Alarm Time To 3 Or 60 Seconds. Requires 2 "aaa" Batteries (not Included). [multipurpose] - The Advantage Of This Timer Is To Cultivate Good Time Management Habits, Suitable For Early Education, Schools, Homes, And Offices. Make Great Study Timer, Teacher Timer, Classroom Timer, Countdown Timer, Silent , Kitchen , Toddler , Kids , And More! Batteries: 2xaaa Batteries(without) Size: About 9 X 9 X 4cm Material: Abs Colour: C-green White Package Contents: 1 X Visual 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.