This is a complete kit needed to assemble a 650nm 200mw laser module as a project kit.
You get the following:
1 - AixiZ module case including ring, acrylic lens, spring, diode mount and end case
1 - 650nm 300W compatible driver board
1 - AR coated specialty glass AixiZ lens for 650nm laser diodes
1 - Mitsubishi 200-300mw laser diode
Buy now and have fun!