Parameters:*Part for spot weldingVoltage: AC 220 V / 50 HzPower: 2.2 KWCurrent intensity:50~750ATime of 4 pulses: 1 ~ 10 ms (adjustable with welding current knob)Time of 6 pulses: 2 ~ 20 ms (adjustable)Time of 8 pulses: 8 ~ 80 ms (adjustable)Needle range: 5 - 6 mmWelding pressure: 300-500 gMaterial thickness: 0.03-0.3mm for the head and 0.03-0.2mm for the pen*Soldering partTemperature: 150 ° C ~ 450 ° CPower: 50 W.Output voltage: 20 V DC Included:1* SUNKKO 709AD welding machine1* Operating manual1* Warranty card1* Soldering flask1* Welding pen1* Soldering pen holder1* Foot pedal. Foot pedal1* 18650 battery form1* Allen wrench2* Fuse4* Head needle2* Pen needle1* Welding needle grinder50* Nickel plated plate (0,1x4x100mm)50* Nickel plated plate (0.15x8X100mm) Features:The device has a microcomputer that takes care of pulse management and sealing energy increasing the sealing life.It is a 3-in-1 device: needle head welding, using a pen and soldering.The fixed head and mobile pen allow for more accurate welding of smaller batteries.There is a choice of 2 to 16 pulses, which is perfect for welding different materials.Equipped with a professional mobile pen that guarantees pressure balance. The pen is easy to use, you can use it anywhere and weld anywhere.Foot pedal helps you weld more accurately without manual triggering.Fast amperage changes with a matching dial.Dual LED display.Grot T-12 with integrated heater, heats up instantly and holds temperature. The arrowheads in this series ensure longer use.Choose from a wide temperature range, which allows you to weld plastic copper wires and other materials.The head has LED lighting, which allows you to weld even in low-light areas.