Rotatable timer, easy to use: The digital timer is quick and easy to set by rotating the outer ring, there is a button to start/stop the countdown (time range 0-99 minutes), designed for the kitchen, the design classroom, fitness, meeting, etc. Whether we are adults or children, we can easily control and use it with this rotary timer. Time management and magnetism: A strong magnet on the back can be placed on any iron surface, easy to stick on the refrigerator, no more worrying about finding the kitchen timer (please note the kitchen clock is plastic. Please do not place it in hot places such as kitchen hoods, toaster ovens, coffee machines, etc.) Power saving mode: The kitchen timer has 2 brightness modes. In normal mode, the screen is always on. In power saving mode, the screen automatically dims after 5 seconds and then turns off. When the timer is finished, the screen will return to bright, flashing and beeping sounds. It can save a lot of energy. Super Clear Display: The large black screen and large white numbers make it easy to check the remaining time of the set time. Powered by 3 AAA batteries (not included in delivery). Sleep mode always works for you! Convenient timer: Ideal as a kitchen timer, say goodbye to casual burgers and overcooked steaks. It also works great as kid timer, teacher timer, student timer, classroom timer, kitchen timer, bathroom timer, meeting timer, game timer, sports timer and hard boiled egg timer.