Aimilar Digital Kitchen Countdown Timer Magnetic Large Screen Clock 2 Channel Groups 99 hours Laboratory DUAL TIMER  2 channel count up/down timer with memory function. Fixed time: 99 hours 59 minutes 59 seconds. ADJUSTABLE VOLUME -- You can adjust the volume level of the alarm to high, low, or turn off it. FLEXIBLE DESIGN -- 3 ways to place the timer. VISUAL INDICATORS  LED indicators switch from green to red when timer hits zero. OCCASION -- This digital countdown timer is ideal for kitchen, homework, exercise, sports, games, office and classroom.