Made of special clock mechanism. Fashion & cute & exquisite. Adjustable within 1-55min. Mechanical transmission. No need battery. Economical & practical. Easy to use. Widely used in home use, kitchen, school, medicine etc. How to Use: 1. Back to "0" place. 2. Rotate it clockwise to 55 minutes, and then rotate it anticlockwise to the time you need. 3. The bell will ring when it goes to 0. Item Name: Countdown Timer Material: Plastic Quantity: 1Pc Features: Tomato Shape, No Need Battery, Kitchen Tools Size: 7.2cm x 5.5cm/2.83" x 2.16" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 1 x Countdown Timer