Safety Welder is a portable cordless welding pen for welding enthusiasts. With a built-in filter device to purify harmful smoke generated during work, this compact and stylish product serves well to help non-professional users practice or conduct welding and also care for users’ respiratory health. The inlet glass tube can protect users from scalding and work as a magnifying glass, which enables users to conduct high-precision welding of electronic components, etc. Also, the cordless allows for more freedom in welding.