Specification: Item Type: Timer Material: Stainless Steel Weight: Approx. 138g/4.9oz Product Size: Approx. 6.5 x 7cm/2.6 x 2.8in Operation Method: 1. Rotate clockwise to 60 minutes to wind up the timer. 2. Turn counterclockwise (rotate) to the time scale you want to time. 3. When the clock reaches 0 scale, the timer will ring automatically. Package List: 1 x Timer Note: 1. Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. HIGH QUALITY MATERIALS: Mechanical Timer is made of high quality stainless steel, durable and unbreakable MECHANICAL DRIVE: Mechanical Timer is mechanical, please rotate to make it work, no battery required COUNTDOWN: You can set the countdown from 1 minute to 60 minutes. When you reach the zero position, you will beep to remind you. EXQUISITE STYLE: compatible with Apple style design, exquisite and unique, is the decoration of the kitchen or restaurant PRACTICAL TIMER: mainly used for cooking, sports, quizzes, classroom activities, etc.