http://www.htpow.com/300mw-green-high-power-laser-pointer-waterproof-adjustable-holster-p-1038.html
This 300mw Green Laser High Power Laser Pointer Astronomy Waterproof Adjustable Laser is one of our latest laser pointer. Fine craftsmanship makes it smooth to hold. This waterproof laser pen is easy to operate. Covered with authentic aluminum alloy, it is sturdy and durable in use.