Source: Uses CR2032 button battery With clock function Alarm function (switching between electronic sound and LED light flashing) Can be d for hanging and placing (built-in magnets and stand) Minimum and second set type (set in 1 minute and 1 second units/measured 99 minutes and 99 seconds) Subtraction and accumulation (countdown and count up) can be counted Pa 重复功能 主体尺寸(mm)宽度:88 主体尺寸(mm)深度:80 主体尺寸(mm)高度:17