... sewing machine industry. speed adjustable from 1000 to 4000 r/min. power adjustable from 500 to 1400w. DY-X708 COMPUTER ... operation, small resistance, freely cutting, easy and simple to operate, etc.2. CHARACTERISTICS:1.) Spare and accessory ... sped regulation, light weight, low temperature, easy and simple to handle, practice and elegancy, etc. 3. SPECIFICATIONS: MODELPOWERVOLTAGEFREQUENCYCUTTING ...