Product size7.8*7.8*2.8cm. (requires 3 AAA batteries, not included) Easy to use Can be used as a timer and countdown timer. This timer can count down from 99 minutes 59 seconds to zero, or as a stopwatch, count down from 0 minutes to 99 minutes 59 seconds. Memory function stores last timer setting for quick use Brightness SettingThere are two kinds of screen brightness: normal mode and constant brightness mode. During the timing process, the screen does not turn off when the constant light mode is activated; in normal mode, the screen dims after five seconds. The button on the back of the timer can be adjusted [Three-level volume] The timer can reach 90dB volume in silent mode to meet the needs of various scenarios, such as cooking, study, work, etc. Smart Settings When not in use, the digital light will dim within 5 seconds and turn off after 5 seconds. Intelligent energy saving, don't worry about power outages Magnetic back plate The back of the timer is equipped with a magnet, which can be attached to the surface of objects in iron, freeing up kitchen space. We only sell timers, not other items in the pictures. Due to the differences between different monitors , the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight errors in size.