Specification: Model: GK9-890 Product name: Electric sewing machine Voltage: AC 110V/60HZ OR 220V/50HZ Power: 190W Material: Metal Thread specifications: 2 x 3 ply vinylon yarn of 21-count Sewing speed: 1800-2600 Needle / min Rotating speed: 18000-22000RPM Maximum Thickness: 6MM Sealing width: 7-10MM Product size: 250x50x250MM Weight: 3KG