The Olight Baldr S Weapon Light has recently been given upgraded performance by combining both a highly visible beam and 800 lumens of white light. The adjustable rail adaptor allows you to slide the light back and forth freely to fix the light in the desired position and allows for quick installation and removal. FeaturesCompatible with Glock and Picatinny sized railsSmooth momentary on or constant on activation Quick install system IPX4 Water Resistant