Invader Series 532nm 5mW Green Laser Pointer,$60

Product Details
name:     Invader Green Laser Pointer 5mW
Wavelength:     532nm
Output power:     5mW
Laser Class:     Class III
Divergence:     <1.5mRad
Beam mode:     TEMoo
Beam diameter at aperture:     ~1.5 mm
Crystal type:     Nd:VYO4:KTP
Power Source:     2 x 1.5V AAA Alkaline batteries
Operating time w/ new batteries:     -1hr. Depending on model

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