Specification: Product size: 60*60*35 (mm) Product weight: about 70g Describe: Rotary timing, easy to use Mechanical heart, no battery required Arrange time reasonably and refuse procrastination Timing range:60 minutes time: 3 seconds How to use: Turn the timer clockwise once to the zero scale, and then turn it counterclockwise back to the required time, and the timer will make a crisp bell at that time. Do this every time you use it, please follow this method. Note: The size is measured by hand, there may be a little error, and the data is for reference only. Due to different and each monitor, there will be different degrees of color difference, please refer to the actual product. 【Exceptional Performance】Engineered for high efficiency and effectiveness, this product delivers outstanding results every time. Its advanced features ensure consistent performance, making it a reliable choice for your needs 【User-Friendly Design】Ergonomically designed for ease of use, this product offers intuitive controls and a comfortable grip, making it perfect for both beginners and experienced users. 【Eco-Friendly and Sustainable】Made with environmentally conscious practices, this product is eco-friendly and contributes to sustainability efforts. It is designed to minimize waste and reduce environmental impact. 【Versatile Functionality】This product is multifunctional and can be used for a variety of tasks, providing you with the flexibility and convenience needed to handle multiple uses with a single tool. 【High-Quality Materials】Crafted from premium, materials to ensure longevity and superior performance. Each product is meticulously tested to meet high standards of quality and safety.