Fangrui Product Details Time Management - What Can You Accomplish In 60 Minutes Use A Visual Classroom Timer To Improve Time Management, Perform Tasks Effectively, Get Work Done, And Encourage Efficient Learning. Easy To Use - Turn The Dial Clockwise To Adjust The Time. To Turn Off The Timer, Simply Set It Back To Zero. To Turn Off The Chime, Turn Clockwise To 5 And Then Quickly Turn Back To 0. Kid Friendly - No Ticking Of A Mechanical Timer, Just The Sound Of Gears Turning. The Visual Timer Features A Blue Disc So Children Can Easily And Visually Understand The Passage Of Time. Set The Ringtone To Loud (about 70db) Or Low (about 50db), And The Alarm Time To 3 Seconds Or 60 Seconds. App - For Classroom, Home And Office Environments. Makes Great Classroom , Countdown , Study , Toddler , Kids , Silent , Kitchen , , Time Trackers And More! Note: Without Batteries, Requires 2 Aa Batteries Color: Black Material: Plastic Package Contents: 1 X Timer Only The Above Package Content, Other Products Are Not Included. Note: