The mechanical stainless steel timer without battery can reasonably solve the problem of time reminding!Premium Material: Stainless steel.Suitable Size: 3.1 inches in diameter, and 1.3 inches thick.Timer Usage Specification.Step 1: Turn the timer clockwise whole around.Step 2: Turn to the time you need anticlockwise.Applicable people: mothers, children, parents, teachers, office workers, professionals and students.Why is this an excellent timer?1. The dial is very smooth and easy to turn. The timer can easily turn and stop at the position you want to achieve accurate timing.2. The entire bottom surface is a powerful magnet, which needs to be pulled strongly to remove it from the metal surface. So don't worry about slipping off. You can stick it on stoves, washing machines, dryers, etc.3. It does not require batteries. Very convenient and environmentally friendly.4. Interesting design and clear scale, no need for magnifying glass.When you need to prepare multiple recipes, you can prepare multiple different timers for yourself. For those who like to cook, this will be the perfect gift.This is a good timer for those who keep track of time, such as time allocation for homework, housework, exercise, work, reading, and playing games.Care Instructions:1. Please wipe the timer regularly to avoid rust and corrosion.2. If you have any questions about this timer, you can send an email to contact us3. Our timer will be delivered in about 20 days, maybe sooner.