60 Minutes Visual Timer: A simple and practical 60-minute visual timer. When the time is up, the disc will disappear clockwise. A time management tool suitable for classrooms, offices, homes and special needs.Timer Parameter Size: 6.3 x 4.5 cm / 2.48 x 1.77 inches. Type: Our time timer is driven by mechanical principles, no batteries required, zero power consumption / countdown time: 60 minutes or less.Improve Time Management Ability: Timer management can help people with weak time concept, poor execution ability, and procrastination improve their time management ability and achieve effective work and orderly life, both for children and adults.Portable and Easy to Use: Turn the timer clockwise to zero, then counterclockwise to the time you set, and it will ring when the time is reached.Wide Application: Our digital timer is suitable for many occasions, and our visual analog timer can be used in many occasions, it can help teachers effectively allocate students' school time; it is also a good assistant to manage office work time; it can help parents supervise their children's study and game time.