It uses 3 pcs step motors to control stitch length adjusting and reverse feeding, touchable penal, Qixing system

Single needle

Highest sewing speed:3,000 rpm
Needle System:DP*5
Stitch length:7mm
Max sewing thickness:10-12mm
Height of presser foot:15mm

http://www.ismedge.com/detail.asp?id=543