[Compact and Portable] Our electric bobbin winder measures: 13.8x10.6x7.8cm, with a minimalist suitcase-type exterior design and a snap-on design that opens with a single press. The top carrying handle can be pulled out, easy to carry. When not in use, the lid can be closed, easy to store and will not accumulate dust. [Battery/USB Powered] Our electric bobbin winder is powered by USB charging or 2 AA batteries (USB and batteries not included) [With Metal Wire Stand] Our electric bobbin winder comes with an extra metal wire stand to accommodate a wider range of wire types and sizes, whether it's a small personal project or a large professional task, this feature ensures that you have the flexibility to use a variety of spools of wire without the need for additional tools [Safe and Durable] Our electric bobbin winder is made of high quality ABS and alloy, sturdy and durable, safer, product power: 7.2W [Save Time] This sewing bobbin winder fills the bobbin quickly and easily and stops automatically, effectively saving time on sewing and crafting projects Product name: Automatic Bobbin Winder Size: 13.8cm long, 10.6cm wide, 7.8cm high Power supply: 5VDC or 2 AA batteries (both not included) Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. Our electric bobbin winder is made of high quality ABS and alloy, sturdy and durable. The small and compact design makes it easy to carry. With an extra metal wire holder, it can accommodate a wider range of wire types and sizes. Color: white Material: Metal+Plastic Package Contents: 1 * Electric portable cable winder