... Speed: servo motor driven,24 adjustable speed levels,max in 1.2m/ 1.Control system:10.4'' color LCD touchable panel, all kinds ... driven, man 2-inch racking in left or right, 1/2,1/4,3/4 pitch also avaliable from any position, and ... phase AC 380V, or single phase 220V, 50HZ23. Power EfficiencyAbout 1.8KW