How to useTurn the timer clockwise to 55 minutes, then counter-clockwise to the desired time, such as 20 minutes. Then the timer will turn off after 20 minutes. Mechanical Operation: No power, manual winding, clear sound. High decibel buzzer indicates precise cooking time. When the cooking timer magnet rotates to set the time of the mechanical drive, a bell will sound automatically. Stainless steel materialThis mechanical kitchen timer is made of stainless steel, durable, safe and rustproof, which makes it shockproof, precise and beautiful Timer setting rangeYou can set the time at will between 0 and 60 minutes, the special design in egg shape will make your room or kitchen more special and charming, you can also send it to your family and friends as a nice gift [Scope of application] Cooking, baking, reading , homework, overtime, sports, games, activities, yoga, beauty, etc.