1、EASY TO USE, INTELLIGENT AND POWER SAVING: 1 click operation, very simple, easy to use for both grandma and 5 year old children. Simply rotate the knob to set the time, and start or stop with just 1 click. The digital light will dim in 5 seconds and turn off in another 5 seconds to continue using the battery. 2、MAGNETIC AND TIME MANAGEMENT: There is magnetism on the back, which you can attach to classroom whiteboards, cookware, tasks, student tablets, iron wall, refrigerators, sports halls, or other steel venues. 3、APPLICABLE SCENARIO: Helping students focus on time management for learning, showering, games, etc., classroom teacher organization, mother cooking, baking, and boiling eggs, and also helping patients with autism hyperactivity disorder alleviate transitions, encouraging independence and productivity in all abilities. 4、LARGE LED DISPLAY SCREEN AND CONSTANT BRIGHTNESS FUNCTION: 3 inch large screen with constant brightness function. Constantly bright numbers make long distance reading easier. Even in large conference rooms, classrooms, or kitchens. 5、FINE WORKMANSHIP: Well crafted with fine ABS shell, and silicone buttons, this timer is strong and sturdy, and provides a comfortable user experience, choose with confidence! Item Type: Kitchen Timer Material: ABS Battery: AAA battery x 3 (shipped without battery) Maximum Timing Value: Minutes 00 to 99, seconds 00 to 55 Volume Level: Mute Loud is 80 to 90DB Low is 60 to 75DB 1 x Timer 1 x Manual