Loud audible alarm - with on/off switch. Powered by 1 AAA battery (not included). The sound is loud and clear, but not deafening. Sirens can be heard in another room. The alarm sound usually lasts for 60 seconds until it is stopped by pressing the "ST/SP"button Large LCD Screen and Large Numbers - This kitchen timer features a larger, clearer 2.4-inch LCD screen that makes it easy to read the time and bold numbers in the room. The maximum time is 99 minutes and 59 seconds. Counts up and down - In addition to a countdown timer and minute timer, it can also act as a stopwatch that counts from zero. START/STOP button recalls the last setting, if it turns on and doesn't work, it will turn off after 10 minutes It can be attached to the refrigerator door with a large magnet, or it can be used on a tabletop using the pull out stand, and finally you can thread a string through the hook and hang it on a hook on the wall or hang it around your neck WIDE APPLICATION - Perfect timer for homework, exercise, gym workout, cooking (egg timer), sports, games and classroom timer activities