Multifunctional - can be used for cooking, meeting, class, homework, etc. Our hourglass is perfect for cooking food and keeps your cookies, cakes, grills and casseroles from burning. The ideal choice is to take a nap and waking up in the middle can protect you; deep sleep. User-friendly and simple design can be applied to any occasion eg. B. Cooking and cooking in the kitchen, homework or conversation time for kids, meeting time in the office, yoga for women or timing masks, and the timing function only need; only one turn to do. easy and convenient. No battery required - Federalarm Automatic can operate without a battery. If you change to the mechanical drive time setting, the doorbell will ring automatically. Time setting range: You can set the time as expected between 0 and 60 minutes. Mechanical kitchen timer without battery, the countdown is 60 minutes, the alarm clock is loud, suitable for children and the elderly, suitable for cooking, baking, studying and; other occasions. Timer function: Turn the timer clockwise; clockwise to activate the mainspring, then turn it anti-clockwise; clockwise to the desired time. The timer then starts timing. No battery, no power consumption, long life with manual and mechanical methods. The timer setting range is from 0 to 60 minutes. Usage (example 5 minutes): 1. At the beginning the arrow points to 0 2. Turn clockwise; clockwise for 55 minutes 3. Turn counterclockwise again for 5 minutes. When the timer reaches 0, the timer will ring automatically. Note: Whether the timer is 5 minutes or 10 minutes, it must; first be set to 55 minutes. In this step, the timer is wound up. Questions; maintenance and; use 1. Do not use excessive force when turning it fully to avoid; damage the built-in movement. 2. Do not repeat the rotation; back and forth several times so as not to damage the integrated movement. 3. The timer cover is made of plastic. Please do not throw, drop or crush the timer to damage. Delivery quantity: 1 piece