Description Model 737DHInput voltage AC110V 220V 20VPower 4 3KWWelding current 120 1200A2plusee time 1 10ms4plusee time 2 20ms8plusee time 8 80msSize 140 230 200mmNet weight 7kgAdjustable distance of telescopic arm 0 15 0 35mmWelding thickness of fixed welding head 0 05 0 25mmRemovable pulse welding pen Welding pen cable area 16mm2Welding pin s size diameter1 5mm 7mmThe distance of welding pins could be adjusted 2 7mmThe total length of removable welding pen about 580mmPackage included 1 x Main machine1 x 70BN welding pen1 x foot pedal switch1 x mini grinder1 x six cells battery clamp fixture100 x nickel strips4 x welding needles2 x small welding pins2 x fuse tube1 x hexagonal wrench1 x instruction