Mechanical Kitchen Countdown Timer with Magnetic Back 60-Minute Visual Timer for Kids, Toddlers, Teachers, Time Management Tool for Classroom, Study (Red)

No Battery. Premium mechanical count down timer, no battery required., Easy to read. The red wedge makes it easy to see how much time is left, Easy to use. Rotate the dial to "55" prior to see your allotted time (Don't exceed "0"). Turn back to the time you want to set (the red part). It will be ringing when time's up., Easy to hear. The ticking is soft and gentle and when time's off, the bell will ring up for 3 seconds. It sounds a bit like an old telephone bell., Magnetic Design. The magnetic back panel makes it ideal to place on refrigerators, ovens, utility cabinets and whiteboard. It is easily wall mounted.