[With Metal Wire Stand] Our electric bobbin winder comes with an extra metal wire stand to accommodate a wide range of wire types and sizes, making it suitable for both small personal projects and large professional tasks. This feature provides flexibility to use various spools of wire without requiring additional tools. [Safe and Durable] Constructed from high-quality ABS and alloy materials, this electric bobbin winder is sturdy, durable, and safe to use. Product power: 7.2W. [Compact and Portable] Designed with a minimalist suitcase-style exterior and a snap-on closure that opens with a single press, the unit measures 13.8 x 10.6 x 7.8 cm. The retractable top handle makes it easy to carry. When not in use, the lid closes securely for convenient storage and dust protection. [Save Time] This sewing bobbin winder quickly and easily fills bobbins and stops automatically, helping to save time on sewing and crafting projects. [Battery/USB Powered] The electric bobbin winder can be powered via USB charging or 2 x AA batteries (USB cable and batteries not included). Easy to Use: Eliminates the need to unwind thread from your sewing machine for bobbin winding. The automatic stop function allows for easy and efficient bobbin filling. Compact and Portable Design: Features a simple suitcase-style design with a pull-out top handle for easy portability. Product name: Automatic Bobbin Winder Product power: 7.2W Power supply: 5VDC or 2 x AA batteries (both not included) Color: White Material: Plastic Size: 13.8 cm long, 10.6 cm wide, 7.8 cm high Package Contents: 1 x Bobbin Winder Note: Light reflection and different displays may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.