Product dimensions 9x 7.1x 2.4 centimeters [Silent Timer] This kitchen timer has 3 volume adjustment levels: silent, medium (65DB) and high (85DB). Slide the button on the right side of the timer to adjust the corresponding volume level. Silent mode is suitable for use in study rooms or libraries, without disturbing others [Clock and Alarm Function] The multi-function timer can be used as a clock by long pressing the button ST/SP, it's the clock on your desktop when you don't need to use the timer function, what's more, you can set an alarm in clock mode [Quick Settings] Three [H][M][S] buttons allow you to quickly set the desired time, and long presses of the buttons also allow you to quickly increase the value. If you want to clear the value, you must press the [H] and [M] keys at the same time. Pressing the start key when the timer is at 00:00:00 will start the positive timer [Multiple Placement] We provide 3 ways to place the timer, with strong magnets on the back , you can attach it to your refrigerator or other appliances, or use the foldable stand to make it stand on your desk, or hang it on a hook or string through the hole on the back.The multifunction timer can be used as a kitchen timer, study timer, GYM timer [Extra Long Battery Life] Low power design allows batteries to last up to 6 months or more. If the timer displays 88:88:88, this indicates that the batteries need to be replaced, you will need to open the folding stand and push down on the battery cover to open the battery compartment