Made of ABS and metal materials, the timer is up to 60 minutes. Mechanical, no battery needed. The cute and charming chef-shaped timer will refresh your kitchen. You dont need to worry about boiled and burnt food. When you are very busy in the kitchen, this timer will remind you at any time. Practical kitchen timer that can measure baking, frying, cooking eggs, biscuits and cakes in the kitchen at home The beautiful chef-shaped timer can also be used as an ornament. Interesting gift for friends. Color: Chef Notice: Because this is a hand-made mechanical timer, no battery is needed. You need to wind up to 55 minutes each time (no more than 55 minutes). Turn clockwise to "55" minutes, then turn counterclockwise to any time you need. The deviation is +/-5%, which is in line with industry standards. If you mind, please don't buy, thank you. When using, please strictly follow the above instructions. If you don't use it as needed, the timer will not ring and the ring will be very short. It is strictly forbidden to use violent reverse rotation, which will cause the timer to be damaged and unusable.