Description No batteries required Just wind it up and set a time. The mechanical timer will work. Super cute timer for kids, great for cooking lovers. A handy tool to have in the salon or at home. Perfect for timing children's activities Unique designThis cute timer is made of plastic. Inside, precision steel. Unique shapes suitable for all ages. Easy to use and clean: wipe with a damp cloth. Cute Timer Charming design adds an adorable focal point to your kitchen gadgets. A super adorable accessory adds a more fun and practical element to your home. Cute timer for kids. Great gift choice Mechanical kitchen timer packed in high quality independent gift box. Each piece is under inspection before shipment. Perfect gift for almost any occasion: anniversary, mother's day or anniversary for your girlfriend, boyfriend, family etc. Note Tip The timer has already installed an anti-twist device, please do not rotate counterclockwise directly from 0, otherwise you will damage the timer. it will not work and alarm. Rotate clockwise up to 55 and no more than 0, then rotate counterclockwise anytime you need. The deviation is +/- 5%, in line with industry standards. Not all mechanical time managers are exactly accurate to the second.