JINYI Size: 8*3.2cm Mechanical Kitchen Timer: Made of high quality stainless steel and ABS material. The mechanical inner core is hand-wound, no battery required, waterproof, long-term reusable, environmentally friendly and affordable. Magnetic Minute Meter: The bottom of the timer is embedded with magnets for adsorption, this magnetic design can stick to metal surfaces such as shelves, refrigerators or stoves, saving you more counter space. br> Instructions for use 1. Set the scale to zero before use (do not rotate counterclockwise); 2. Rotate clockwise to 55 scale (must be rotated to 55 minutes first); 3. Then rotate counterclockwise to the desired time, such as 15 minute. Then the timer will go off after 15 minutes. Loud Kitchen Timer Some recipes require very precise timing, which is why this kitchen timer is the perfect kitchen tool. Loud, adjustable audible reminders let you know your time is up, so you can get the time right every time. Perfect for every occasion Use as a stopwatch in cooking, baking, baking, sports, exercise, homework, brushing, housework, yoga, fitness, showering, studying, gaming, hard-boiled eggs, classroom or work. Shipping Quantity: One Piece