Featuring a mechanical rotation, this timer is battery-free, easy and safe to use, and it helps you manage your time well by ringing a bell to remind you of the time. What this timer with a cute pineapple fruit shape design can offer you is that it is creatively cute and it is wear-resistant, durable, and safe to use. It is constructed of plastic material. The length of this product is 8.7cm and the width is 6.4cm. Suitable for kitchens, schools, studies, etc., this timer is versatile. Item Name: Timer Material: Plastic Features: Pineapple Shape, Mechanical Rotation, No Battery Required Size Details: L: 8.7cm/3.43", W: 6.4cm/2.52"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Caution: How to use: Before each timer, turn it clockwise once to the 58 mark. Then return to the time you want. For example, 5 minutes. 10 minutes of time to have about 5 seconds of ringing to remind. Directly turn to 5 minutes is no sound ringing bell oh ...... Principle of use: Mechanical rotation. It moves and rings the bell. No batteries are needed. Economical and practical Package Includes: 1 x Timer