Dozens of models of mechanical timer are packed in special mechanical customization. The principle is the same as that of mechanical watches, which can be adjusted at any time from 1 minute to 60 minutes. It is widely used in medicine, kitchen, home use, school, industry and mining, nursing office, etc, exquisite and beautiful, how to use the timer: rotate to the end first, and then rotate to the scale that needs timing.

[Instructions for Use]: turn the timer clockwise to zero scale, and then turn it back to the required time counterclockwise. The timer will give a crisp bell at that time. Ringing sound 3-5 seconds!
[Function introduction]: ribs need to be boiled for half an hour, crabs need to be steamed for ten minutes, and milk will be split in five minutes. When you are busy in the kitchen, it would be nice to remind you that the time is up at any time. These small timers can help you. You don't have to worry about boiling water and cooking. Taking a nap for half an hour is enough. The hair is baked for 20 minutes. The child sets a set of math exercises for half an hour, reciting English words for 20 minutes, and exercising for at least half an hour in the morning......

The first circle is to wind up clockwise, from 0 to 60, don't overhead or not in place (pay attention to hand lightly). The second circle is counterclockwise. You adjust the time set by yourself, such as 2 minutes or 20 minutes, and it will ring immediately after walking.