Voltage 220V 50HZ ±10% Power 500W Operation Method Electronic Stepless Speed Regulating Temperature Control Method Electronic Constant Temperature Control Sealing Width 5-14mm (adjustable) Sealing Length Unlimited Sealing speed 1-12meters/min. (adjustable) Temperature range 0-300°C Word Qty of Stamping less than 39 letters Transport load less than 5kg Machine Weight 25kg Measurement 810*370*320mm