Features: 1. Made of high-quality metal material, not easy to rust and break, reusable and durable. 2. Mechanical inner core: Say goodbye to frequent battery replacement. 3. Easy to twist and precise timing: Mechanical manual winding,no battery and no power consumption, more accurate. 4. Magnetic design,save space: Can be arbitrarily adsorbed on metal surfaces such as refrigerators,microwave ovens, etc,firmly not falling. 5. The scale markings are clear. Rotate with time,clear and eye-catching,easy to control cooking. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Metal Size: 6*3.5cm Note:Do not directly rotate counterclockwise in the former state,as this will damage the device Knowledge tips: 1. It must be screwed to 55 scale each time it is used(do not exceed \