6 Pack Digital Timer for Teacher Small Timers for Kids Magnetic Back Big LCD Display Loud Alarm Minute Second Count Up Countdown With ON or OFF For Classroom, Homework, Exercise Powerful audible alarm - with ON or OFF switch. (battery not included). The sound is loud and clear, but not deafening. The siren can be heard from another room. The alarm usually lasts for 60 seconds until you stop by pressing the "ST or SP" buttonDue to the shooting light, there may be chromatic aberration LARGE LCD SCREEN AND BIG NUMBERS - This kitchen timer features a larger, clearer 2.4" LCD screen for easy reading of the time and bold numbers throughout the room. The maximum time is 99 minutes and 59 seconds. Press and hold the button for more than 3 seconds, then time fast-forward, simply press the "M" and "S" buttons simultaneously to zero Count Up and Down - In addition to the countdown timer and minute timer, it can also be used as a stopwatch that counts from zero. The START or STOP button can recall the last set time, if it is turned on but not working, it will turn off after 10 minutes Magnetic backrest, retractable stand and hook - you have 3 different kitchen timer placement options. Either stick it to the refrigerator door with a large magnet or put it on the table top with a pull-out bracket and finally you can run a string through the hook and hang it on a hook on the wall or around your neck VERY APPLICABLE - Perfect timer for homework, workouts, gym workouts, cooking (egg timer), sports, games and classroom timer activities