Green Laser Pointer with On-Off Switch- Black ,$45

<5mW, 532nm, Green Laser Pointer with Black Brass Barrel and ON OFF Switch

Specifications
Power Output <5mW
Range 10,000 ft.
Wavelength 532nm
Beam Dimensions at Aperture 1mm
Beam Divergence 1mRad
Operating Lifetime 5000 hours
FDA Safety Class IIIa

http://www.onpointlasers.com/catalog/presentation-products/laser-pointers/green-laser-pointer/green-laser-pointer-with-on-off-switch-black.html