HOW TO USE:Turn the timer clockwise to 55 minutes, then turn it counter-clockwise to the desired time, for example 20 minutes . Then the timer will ring after 20 minutes. MECHANICAL OPERATION: No power, manual winding, clear sound. High decibel buzzer warning, accurate cooking time. The bell will ring automatically when the cooking timer magnet rotates to set the time for mechanical drive. STAINLESS STEEL MATERIAL: This mechanical kitchen timer is made of stainless steel material , durable, safe and anti-rust, which makes it shockproof, precise and attractive TIME SETTING RANGE:You can set the time as you like with in 0-60 minutes , the special and cute egg-shaped design will make your room or kitchen more special and charming, and you can also send it to your family and friend as a nice gift SCOPE OF APPLICATION: cooking, baking, reading, homework, overtime, sports, games, activities, yoga, beauty treatments and more