On a 4-thread thrower with fully automatic threading (by electric air pump) and needles. Liquid crystal display shows voltage setup instructions at a glance. Possibility of working in 2, 3 & 4 threads, foot pressure adjustment, minimum gap between knives and needles allowing magnificent curved seams, silence & vibration reduced to the maximum, adjustable differential, integrated switch for automatic 2/3 thread roll, safety of non-operation in case of open covers or presser foot in high position, direct insertion tension adjustment, multifunction foot, width indicators for a easy to identify, Upper knife retraction lever, adjustable lower knife, adjustable stitch length, LED lighting, large waste collection tray. Comes with a cover.