Specification: Item Type: Mechanical Kitchen Timer Material: Stainless Steel + Plastic Operation Method: 1. Turn clockwise to 60 minutes, this is the winding of the "timer". 2. Turn counterclockwise (rotate) to the timescale you want to time. 3. When the clock reaches scale 0, the timer will ring automatically. Weight approximately. 170g/6oz Size: approx. 3.5 cm/1.4 inches 7.4 cm/2.9 inches Package List: 1 x Timer. Note: 1. Please allow a 0?2cm error due to manual measurement. Thank you for your understanding. 2. The monitors are not calibrated in the same way, the color of the item shown in the photos may be slightly different from the actual object. Take the real as standard. Features This mechanical chronograph is a needle-type pointer with a precise timescale, which is more conducive to observing time changes, simple and intuitive. The magnet on the back of the mechanical timer is easy to use on metal surfaces such as refrigerators and ovens. Simply turn the selector to the desired time setting, and when it reaches 0 o'clock, the alarm will sound. Durable stainless steel packaging provides corrosion resistance, mechanical timer does not require batteries, energy saving and environmental protection. This timer is the perfect supply for cooking/baking, you can control the time during the cooking process.