[Easy to use] It can be used as a timer and countdown timer. This timer can count down from 99 minutes and 59 seconds to zero, or as a stopwatch, from 0 minutes to 99 minutes and 59 seconds. Memory function can store the last timer setting for quick use [Brightness setting] It has two screen brightness: Normal Mode and Constant Brightness Mode. In the timing process, the screen does not turn off when the constant brightness mode is activated; in normal mode, the screen dims after five seconds. The buttons on the back of the timer can be adjusted [Three-level volume] The timer can reach a volume of 90dB from silent mode to meet the needs of various situations, for example, cooking, studying, working, etc [Smart Setting] If you don't use it, the digital light will dim within 5 seconds and turn off after 5 seconds. Intelligent energy saving, you don't have to worry about power failure [Magnetic back] The back of the timer is equipped with a magnet, which can be attached to the surface of iron objects to free up kitchen space 1 x Kitchen Timer Timer range minutes: oo-99, seconds 00-55 Volume mute file / low volume 60-75dB / high volume 80-90dB Operating voltage 4.5 V (3 x No. 7 AAA batteries) (not included in delivery)