M-Triangel PG-oneS multi-purpose laser machine is equipped with 8W/20W fiber laser, and a built-in mini computer that works by simply plugging in a mouse and keyboard, or it can be connected to an external computer with a printer USB cable. PG-oneS is a very popular laser marking system for marking integrated circuit chips, computer parts, clocks, automotive parts, hardware tools, metal jewelry, etc. M-Triangel laser is the best tool for iPhone back glass repair.