Red Laser Pointer Key Chain

• Description
  Features/Specs
  Product Reviews
  You can take your laser pointer with you whereever you go with this laser pointer key chain. Featuring a red laser beam and made of brass, this is a durable and low cost answer to your laser needs. For that special gift, add engraving to this at no charge. As always, batteries are included
  
  
  • Wavelength : 645 nm
  • Power Output: <5 mW
  • Range: 2,000 feet
  • Beam Diameter At Source: 1.1 mm
  • Output Variance: 10% after 20 min.
  • Beam Divergence: 1.0 mRad
  • Operating Lifetime: 2000 hours
  • FDA Safety Class: IIIa
  • Dimensions: 2 in. long, 0.5 in. dia
  • Batteries: 2 x L1154 (included)