About The Timer: Size:as the picture shows Weight:about 300g Usage:timing Product features: This timer can be used for cooking, work, sports, massage, etc. when timing reminders are needed. It is a good household item for reminders. Instructions: 1. The timer is a mechanical timer & does not require batteries,it will make a timing sound 2. The mechanical timer needs to be wound each time it is used. For example, if you need to time 5 minutes, you first need to turn the timer to the 55 minute position & then return it counterclockwise to the 5 minute position. 3. When the set time is reached, the timer will sound a reminder. Feedback: Your satisfaction is our first priority so please feel free to contact us if you have any question or advice. Thank you for your love & support. Enjoy! Pencil Timer, Kitchen Timer, Study Timer, Mechanical Timer, Cooking Timer 60 Minute, Kitchen Gadget, Timer Kitchen, Bake