The 120W Jewelry Laser Spot Welding Machine is a versatile tool for precision welding in jewelry making. It operates on 110V/220V power supply. It can create strong welds on metals like gold, silver, platinum, and stainless steel. It uses laser technology to melt and bond metal without additional soldering materials. It has precise controls for adjusting parameters and features a microscope for accurate alignment. It is commonly used in jewelry repair and fabrication tasks. It offers non-contact welding, minimizing heat distortion and damage to gemstones. Proper safety precautions should always be followed when operating a laser welding machine.