Cans mechanical time manager

The product is a purely mechanical timer, which requires an online chain and does not need to replace the battery.
Setting method: At the beginning, the arrow points to zero, the clockwise direction is screwed to 55 minutes, and then the counterclockwise direction is screwed back to the required scale. When the timer reaches 0 scale, the timer will automatically ring, and the setting is successful.

Note: You must rotate clockwise and not counterclockwise.

Applicable scenarios: it can be used for study, kitchen baking, beauty care, sports, business meetings, and various purposes.