Noted: The mechanical timer has no battery, every time you need wound first, just wind it all the way once to 55 (No more than 55) BE SURE TO READ AND FOLLOW THE DIRECTIONS FOR SETTING IT: turn clockwise to 55 minutes, then counter clockwise to set desired time. The timer must be wound manually. Mechanical movement inside, each machine is handmade, it has a certain +/-5% timing deviation, if mind do not buy, thanks. Cute Cat Shape: Great for kitchen lover, not only a dial timer, but a Home Decor, you will love this cute and functionality friend. ABS-Smooth Touch: All the interface with careful polishing with no sharp spot, cute thing to put it in the room,office,kitchen. Manage your time: Help you to learn time management, especially for cooking,baking,brush teeth,reading, learning, running, yoga,mask beauty, coffee tea time etc. Great gift to family,friend. IF YOU HAVE ANY QUESTION, FREE TO CONTACT US FOR GUIDANCE: Please contact us for instructions on how to use it, free to contact us with any problem at any time. The lovely timer can brighten you and friends life and make cooking learning working fun! Please be mentioned: Each machine is handmade,and leave a finedraw at the connection to ensure it has enough space to rotate. Please follow the instructions strictly Noted: WIND IT UP ALL THE WAY THEN TURN IT TO YOUR DESIRED TIME BEFORE USE IT. Turn clockwise to 55 minutes but no more than 0 scale gently, then counter clockwise to set desired time. The timer must be wound manually. A perfect gift for any occasion, help you manage your time precisely. This is fairly common with the mechanical of timer to give it strength. Due to the timer is mechanical design. You must be repeated before next use.