Super Easy to UseThe kitchen timer have 4 separate big control buttons would be less confusing to adjust, you can easy to set the exact countdown time you need. Powered by 3 x AAA batteries (INCLUDED), a low power icon to remind you to change new batteries when they are around consumed. NOTE: AS IT IS AN LED DISPLAY, IT IS STRONGLY SUGGESTED TO SET THE TIMER TO ECO FOR EXTENDED BATTERY LIFE Efficient Time ManagementCounting down from 99 minutes 59 seconds to zero, or as a stopwatch count up from 0 to 99:59. And it's used for a unique memory function, When the countdown ends, you could press any button on the top to recall the last time setting, saving your time to set it again 2 Brightness Modes and Save Power1.3 inch tall big white numbers comes with 2 levels of brightness, making them easy to read even in the dark. In pause/stop mode, the timer display would automatically turn off if there is no operation within 5 seconds, saving your worries that you may forget to turn it off. Just press any button on the top to activate it again as you need 3 Levels of Volume AdjustableLoud (80-90dB) , Soft (60-75dB) , Mute (only time blinks) . Meet your different needs. And when you're in a library or meeting and need to maintain a quiet environment, use the silent mode, which will give you a visual alert when the time is up by flashing the numbers without making any sound