This kitchen timer can help people enhance the quality of their cooking and entertaining. Our products are innovative, are intuitive and easy to use for the cooking enthusiast. To set time, first turn counter clockwise to 55 minutesto supply enough mechanical clockwork power, then clockwise to set to desired time. Size: 7*6 cm.(Approx) Material: plastic shell. Mechanical, no need for batteries. Functional kitchen timer to measure kitchen baking, frying, cooking eggs, pancakes, cookies, cakes at home.