... -20m/min step:1m/minPower regulate:1-8 +2 ElectronicInsulation level:H IP21Packing material:cartonPART 2:SPOT WELDING(dent pulling)The ... monitor automatically;2. Automatic overheating protection ;3. Precise time adjustment system;4. Heat, meson, vertical pulling, spot welding, flatten,waveform line ...