It is made of high quality ABS plastic, is a mechanical timer. It does not require batteries and is easy to use. It is environmentally friendly and energy saving. Easy to use: Mechanical kitchen timer egg timer. Turn clockwise to 55 minutes and then turn counterclockwise to set the desired time to notify you when time is up.The alarm can be easily heard within a radius of approximately 10 m under quiet conditions. Can be used for cooking, studying, etc.Ours are perfect for cooking food and prevent your roasts and casseroles from getting burnt and burnt. the special and cute design makes your room or kitchen special and charming.You can also give the product as a gift to your family and friends. 1.Noted: It need wind up to 55(No more than 55), DO NOT turn to 0, turning counterclockwise from 0 will damage the mechanism.The mechanical timer has no battery, every time you need wound first, just wind it all the way once to 55 (No more than 55) BE SURE TO READ AND FOLLOW THE DIRECTIONS FOR SETTING IT: turn clockwise to 55 minutes, then counter clockwise to set desired time. The timer must be wound manually. Mechanical movement inside, each machine is handmade. 2. Rotate the animal's head only, do not wind up the base; Great for kitchen lover, not only a dial timer, but a Home Decor, you will love this cute and functionality friend.it has a certain +/-5% timing deviation, if mind do not buy, thanks. 3.ABS: All the interface with careful polishing with no sharp spot, cute thing to put it in the room,office,kitchen. 4. Manage your time: Help you to learn time management, especially for cooking,baking,brush teeth,reading, learning, running, yoga,mask beauty, coffee tea time etc. Great gift to family,friend.