specifications FDA Safety Class IIIa Model: S635A Wave length 635 nm Power Output<5mW Range 6,000 ft in darkness Beam Diameter At Source1.1 mm Output Variance 10% after 20 min Beam Divergence
1.0 mRad Operating Lifetime 000 - 5000 hours Dimensions 5.85 in long, 0.54 in dia. Batteries 2x(included) Shipping Weight: 0.31lbs
This Adjustable Focus Red Laser Pointer is for presenters, medical practitioners and trainers.