Note: It needs to be wound to 55 (not more than 55), do not turn to 0, turning counterclockwise from 0 will damage the mechanism. The mechanical chronograph has no battery, every time you need to wind it first, wind it all at once to 55 (no more than 55) Be sure to read and follow the instructions for setting it: turn clockwise to 55 minutes, then turn counterclockwise to where it is set It takes time. The chronograph must be wound manually. In-house mechanical movement, each machine is handcrafted. Just turn the animals head, dont tighten the base; perfect for kitchen lovers, not just dial timers, but home decor, youll love this cute and practical friend. It has a certain +/-5% time deviation, if you mind dont buy it, thank you. ABS-Smooth Touch: All interfaces are carefully polished without sharp spots, a lovely thing to put in the room, office, kitchen. Manage your time: Help you learn time management, especially cooking, baking, brushing, reading, studying, running, yoga, facial mask beauty, coffee tea time and more. Great gift for family, friends. If you have any questions, feel free to contact us for guidance: please contact us for instructions on how to use it, and feel free to contact us with any questions. Adorable timers can brighten your and your friends lives and make cooking learning fun