Juki Kokochi HZL DX4000QVP 367 Stitch Sewing Quilting Machine 12" Arm, 7" Color LCD, Swipe, Stitch Edit, 6 Fonts, Wifi YouTube Tutorials
Bobbin Thread Sensor:Maximum Sewing Speed An optical sensor notifies you when the bobbin thread reaches a certain amount. Sew with confidence without worrying about the remaining amount of thread.