VOLUME ADJUSTMENT the digital timer is silent, normal (60-75 dB) and high decibels (80-90 dB), you can hear a loud alarm. The flashing digital number will remind you of downtime in silent mode, ideal for classroom, library, meeting room and office. MAGNETIC AND STANDMagnetic kitchen timer with strong magnet on the back for attaching to refrigerators, classroom whiteboards, stove tops and other metal surfaces. Comes with a stand that makes it easy to see the time even when placed on a horizontal desk. RECHARGEABLEThe kitchen timers have a built-in rechargeable battery and come with a Type-C charging cable for charging, no need to buy extra batteries. Our timer can effectively manage your precious time and help children balance playing and learning. Note: Make sure the timer is turned off when charging. USAGE IS Counts down from 99:55 seconds to 0, or as a stopwatch, counts down from 0 to 99:59; To use it, first turn quickly to set the desired minute, wait 2 seconds, then turn slowly to set the seconds and press the button to start. LARGE LED DISPLAYThe LED display digital kitchen timer has a simple, modern design with a large black screen and white numbers allowing you to easily see the remaining time.