Loud Sound AlarmLoud and clear ringtone lasts for 30S. when the counting time is up. You can hear the sound alarm in another room easily. Don't worry about overcooking or overcooking insufficient.in what you do. 3 Layout OptionsMagnetic back for placing on fridge or oven door, retractable stand for countertop installation, and hook for hanging in the kitchen or around your neck for added convenience when you're hanging out move(cord not included). Easy operatedThree keys work as up or down timer from 1 second to 99 minutes and 59 seconds. Allows you to count down like a kitchen timer or like a stopwatch. Wide range of applicationsSuitable for cooking, sports, rest and study Easy ON or OFF There is a switch on the side so that you can save power from the operated batteries. Requires 1 AAA battery (Not included).