1. Working Voltage: AC150~250V 2. Rated Current: 2A (transient 5A) 3. Working Temperature: -40～85℃ 4. Working Humidity: max 95％ 5. Size: 200*150*60mm 6. Protection: low/over voltage, over current, low/over temperature, block, inverse connection, short circuit 7. Speed closed loop PID control 8. Regulate the length, relexation and speed of packing by button