Low noise and vibration, simple structure and easy maintenance, high speed and safety, only working button sewed on start machine, 180-240 / 110V voltage, 50-60 Hz frequency, 550 watts power, 40 mm stroke, suitable to fit different sizes of metal, nonmetal snap button, mechanical and computer double protection, 455 x 365 x 250 mm machine size, 16 Kg machine weight.