Countdown function: Can be set from 10 seconds to 99 minutes 50 seconds Countup function: Can measure up to 99 minutes 59 seconds Repeat function Clock display available Click sound function that allows you to check input when pressing the button Strong magnet, hanging strap hole Maximum time count: 99 minutes 50 seconds Minimum time count (seconds): 10 小时间计数(分钟):1 宽度(mm):78 深度(mm):16 高度(mm):76 颜色:白色蓝色 计时器体积(db):85 警报时间(第二秒): 大30