Easy to Use & Quiet: One button operation is all it takes to set the time. Digital Kitchen Timer, Magnetic Countdown Timer with 3 Volume Levels, LED Visual Timer, Silent, Ideal for Kids, Seniors, Teachers & for Classroom Homework, Cooking, Fitness, Baking & Learning. Optimized & Magnetic Time Management: Countdown from 199 minutes and 59 seconds to zero or stopwatch from 0 to 199:59. Powerful magnets on the back for attaching to any metal surface, stick on the door of the refrigerator, microwave oven, etc. Large and Clear Digits: Large LCD screen for clear and easy reading. Accurate display to the second. Functioning as an alarm clock or stopwatch, the counting range is from 00:00 to 199:59. After 5 seconds of inactivity, the screen automatically goes to sleep. During operation, the screen remains on. A smart visual timer! Ultra Clear Display: Three brightness levels: constant brightness, dim mode and light off to meet different needs. Enjoy large LED numbers. Requires 3 AAA batteries