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 "0"scale). 2. This type of timer is mechanical, screwed to 55 scales for winding. 3. Wind up the clockwork, there will be a 3-5 second bell reminder when the time is up. includes: 1 x Timer