High-quality materials: Kitchen timer shell is made of ABS material, the internal use of special mechanical customization, the principle of the same mechanical watch, without batteries, economical and practical, silver "small kettle" appearance design for the timer to add a few points of fun cute, waterproof and corrosion-resistant.Applicable Scenario:Using this cute timer can let you focus more on your tasks and activities. Compared with other manual timers, this timer can provide you with the most accurate, precise and error-free timing. Suitable for cooking, baking, reading, homework, jogging, meditation and relaxation, special needs, etc., also suitable for moms, kids, teachers, office workers, lab workers, professionals and students.Instructions for use: first you need to wind up the cooking timer, you need to rotate the red scale clockwise to 55, then counterclockwise to the number of minutes you need to timer, when the red scale turns to 0, the alarm clock work is complete. (Reverse operation will cause the product to lose the timer function)Note: 1, Clockwise rotation to the end, please do not force too much, so as not to damage the built-in movement. 2, Kitchen timers for cooking work, please do not go back and forth many times to repeat the rotation, so as not to damage the built-in movement. Easy to CarryMechanical timer is comfortable to operate, easy to use, small in size, light in weight, easy to carry, and does not occupy additional space in the backpack. It provides a simple time management method for you to use anytime and anywhere.