automatic winding, save time and labor, improve work efficiency. (Note: Try to avoid operating under direct sunlight, infrared light may cause the sensor motor to stop) Fits most spools, including M, L, 15 (universal) or any spool with a 1/4 inch (0.64 cm) center hole The bobbin winder is equipped with a start/stop button and indicator light, automatically stops winding when the yarn is full, easy to use Made of metal material, sturdy and , suitable for domestic or industrial sewing machines With metal fixing base plate, easy to install in minutes, can be placed anywhere you want Our automatic bobbin winder is made of metal and is rugged enough to fit most bobbins, including M, L, 15 (universal) or any bobbin with a 1/4 inch (0.64 cm) center hole SAVE TIME: Automatically winds the bobbin, saves time and effort and improves work efficiency. (Note: Avoid operating in direct sunlight, infrared light may cause the sensor motor to stop) EASY TO USE: The bobbin winder is equipped with a start/stop button and indicator light, automatically stops winding when the yarn is full, easy to use Specification: Product Name: Automatic Bobbin Winder Material: Metal Color: As shown Size: Automatic Bobbin Winder (Without Fixing Plate): Length: 16 cm/6.3 in Height: 7.5 cm/3 in Width: 7 cm/2.8 in Fixed Plate Size: 28.5x8.5 cm/11.2x3.3 in Specification: US Standard Style: Style 1 Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC110V Package Contents: 1x Automatic Bobbin Winder 1x Bobbin Holder 1x Bobbin Container Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.