LaserMax has done a small wonder. Normally tracking a red laser across the landscape target is very difficult. This Daylight Visible Green Laser in the Uni-Max LMS-UNI-G package is the best way to track the profile across daylight targets. It is a must have for those who operate in full daylight with long targets. Features: -Highest visibility in ALL lighting conditions. -Incredibly lightweight - weighs ONLY 1oz. with batteries -Ability to select pulse or continuous wave (constant on) beam. -Integral Picatinny rail system to accomodate a wide variety of accessories. -Ambidextrous activation to accomodate the left or right-handed shooter. -Constructed from FRN (Fiber Reinforced Nylon) for lasting durability. -Maintains alignment after every battery change. Specifications: For: Picatinny; Mil-Spec; Weaver Style Rails (w/ minimum rail length of 1.75") Battery Type: 1/3N Lithium (2) Accuracy: User-adjustable for windage & elevation Wavelength: 532nm (green) Power Output: 5mW Spot Size: 5/16" @ 7 Yds; 3/4" @ 25 Yds. Also available in red for $269.99. Optional accessories available separately: 6" or 10" Momentary corded pressure switch