It can be widely used for time management, planning and habit training of students. The details are fine, the structure is stable and reliable, efficient and practical and durable. It has a wide range of uses and is very suitable for baking, frying, cooking, boiled eggs in the kitchen at home. The operation is simple, there are no complicated buttons, just twist lightly, you can schedule the time. Preferred materials, with good quality, it is safe, durable and practical, can be used for a long time. Specifications: Material: ABS. Dimensions: 6.50X7cm Package includes: 1 pc kitchen timer Note: 1.There is 2-3% difference according to manual measurement. Please check the size carefully before purchasing the item. 2. Please note that slight color difference should be acceptable due to the light and screen. 3. (Unit Conversion: 1 inch = 2.54 cm, 1 cm = 0.39 inch).