1-Tips: Add sewing machine oil for 2 hours, and the daily working time is more than 4 hours. 2-Application: Express belt, non-woven fabric, touch bag, blanket, leather, geotextile, greenhouse cotton, cowhide composite bag, paper bag, towel. 3-Package Include: 1x bag closer machine 10 xneedles 1 xcrochet, 1x timing belt, 1 secant knife, 1 xoil bottle, 2 xhex wrenches, 1xpower cord. Voltage: 110V Output power: 190W Model: GK9-890 Needlework trace:single chain line Model needlw:230# Thread specifications:2x3 ply vinylon yarn of 21-count.