Pulse Argon Spot Welder 400W Welding Jewelry Gold Silver Platinum Palladium Specifications: Power supply:220V/110V, 50/60HZ Power:400W Ampere for welding:0.5~50A,Continuous adiustable (Fluctuation) Weight:about 8kg Sparkle Welder can be used to weld: Precious metal alloys; gold, silver, platinum and palladium Titanium and stainless steel.With some limitations, aluminum, tin and most brass alloys Alloys with different attributes that are incompatible in normal welding Alloys that would oxidize during welding Usually the product should take about 6--13 business days to arrive your hand after your payment is confirmed We will send you the product by FedEX if your country is USA or Canada