1. OLED screen directly displays spot welding parameters, easy to operate and use 2. Double pulse strong spot welding, easy spot welding 0.3mm nickel plated sheet and 0.2mm pure nickel sheet 3. Super capacitor charging protection, effectively balancing the voltage of two capacitors 4. Multiple MOSFET in parallel, gold-plated conductive copper blocks, strong current release 5. Super capacitor, , no regular charging maintenance, durable 7AWG ultra-soft silicone wire, replaceable pen needle, easy to use, reduce loss costs. Automatic trigger spot welding, no extra steps, greatly improve the efficiency of spot welding. Type-c and DC charging interfaces, multiple charging methods. Spot welding mode Setting, Chinese and English display Setting, automatic shutdown time Setting, buzzer switch Setting, etc. Name:KEKK Spot Welder Model:K7-PRO (8 MOSFET) Display:OLCD display + LED light Spot welding thickness reference: 0.05-0.15mm pure nickel sheet. 0.05-0.3mm nickel-plated sheet. Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on. Voltage:AC220V Colour:Blue Material:Plastic Package Contents: 1 * Spot Welder Machine 1 * Power Adapter 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.