8801B simple version: countdown, countdown, voice control, three levels of volume adjustable, four levels of brightness adjustable, a variety of placement methods, magnetic suction, hanging, and standing Kitchen countdown is indispensable for cooking and baking, and it is indispensable to make breakfast for children, no longer worry about the time being inaccurate, and no fear of children being late for school 3 x AAA batteries with longer battery life, replaceable batteries, long-lasting power, giving you long-term companionship Accurately control time forward/countdown We tend to ignore the regularity of time in work, study, home study and life 99 minutes and 59 seconds are convenient for us to time in different occasions LED digital display alarm clock timer timer kitchen baking countdown timer learning time reminder