This is a focusable laser pointer housing , its heat sink and driver adapt power from1W-6W.

The housing use for 2 *18650 rechargeable battery

You one and only need to buy is 9.0mm 455-450nm 1w-6w laser diode!

You can made a verge T laser!

The package include:

(1) a Laser housing

(2) a 1-6W perfect heat sink

(3) a super step down driver ,current 0.5-4.2A (Overheat protection: when overheat it will become intermittent supply power.)

(4) it attached 445nm-450nm collimation lens

Note: I tested the driver,measured the heat sink diameter is 9mm+_00 before I send it out .