60 Minute Kitchen Timer, Mechanical Timer for Kids, Manual Timer for Cooking, Learning (Silver) [Mechanical Manual] Mechanical timers do not require batteries. Just manually turn the timer knob. Easy and convenient to operate. It is suitable for cooking and monitoring children's homeworkOur visual simulation timer can be used in many situations, and it can help teachers effectively allocate students' school time; It is also a great assistant for office work time management;[Time Management]: A 60 minute learning clock helps organize and concentrate on completing tasks. Task. Desktop timers are an ideal choice for children and adults to improve time management and productivity during activitiesThis visual timer has a built-in 70dB alarm and a sound range of up to 49 feet. The mechanical stopwatch alarm lasts for 5 seconds and can be heard in another room.[Easy access] I'm not sure where to place this visual countdown timer? Don't worry, this kitchen timer comes with a powerful magnet that can be placed on metal surfaces such as refrigerators or ovens.[Easy to use] Our timer works without the need for a battery. Simply rotate the magnetic timer clockwise for 55 minutes until the dial turns red, then counterclockwise for the desired time.