Aquarius Pro Series 473nm Blue Handheld Laser ,$499

Key Features:

Output Power: Varies with model
Expected Life: 5000 hours
Wavelength: 473nm (blue)
Key Feature: Most technologically advanced portable laser
Package Includes: Portable laser, aluminum carrying case, instructions/warranty.
Casing: Hard anodized machined aluminum

http://www.laserglow.com/GAQ