1. Super easy to use: The kitchen timer features 4 separate large buttons, making it simple to set your desired countdown time without confusion. Powered by 3 AAA batteries (included), it includes a low power indicator to remind you to replace the batteries when they run out. Note: As this is an LED display, it is highly recommended to set the timer to eco mode to extend battery life. 2. Efficient time management: Count down from 99 minutes and 59 seconds to zero, or count up as a stopwatch from 0 to 99:59. It also features a unique memory function—when the countdown ends, simply press any top button to recall the last time setting, saving you the hassle of resetting. 3. 2 brightness modes and energy saving: The 1.3 inch white digits 2 brightness levels, ensuring clear visibility even in the dark. In pause/stop mode, the display automatically turns off after 5 seconds of inactivity, so you don't have to worry about forgetting to power it down. Just press any top button to reactivate it when needed. 4. 3 adjustable volume levels: Loud (80 90 dB), quiet (60 75 dB), or mute (only flashing display). This meets various needs—for instance, in a library or meeting, use mute mode for a silent visual alarm (flashing numbers) without sound.