Easy to Use--Hold the base steadily, turn the timer clockwise to 55 minutes, then turn counterclockwise to set the desired cooking time. Please follow the instructions, otherwise there will be no sound. Do not immerse in water to avoid rust. Precise Time Management-- This small timer can help you learn time management, especially cooking, baking, brushing teeth, reading, studying, running, yoga, facial mask, coffee tea time, special needs, etc. Perfect gift for kitchen lovers , friends,adults, girlfriends, boyfriends, family and more. Mechanical Kitchen Timer--No batteries required, safe and fun for your kids, also a practical chore timer. Perfect for kitchen lovers, not only as a timer but also as a home decoration, you will love this lovely friend. No longer have to worry aboutboiling water drying up and burning dishes. High Quality Material--The main body of the cute timer is made of ABS, while the internal parts are mainly made of precision steel to create a long-lasting quality. Each machine is handmade and has a certain +/-5% timing deviation. NOTE: Do not rotateback and forth multiple times. Cooking Kitchen Timer--Necessary cooking timer reminder, suitable kitchen tool for every family, easy to use, making cooking fun. This greatly enhances the concept of time management and is suitable for almost any occasion, perfect for a room, office,kitchen and more. Size: 6.5*6.2cm