Viridian Weapon Technologies HS1 Laser Sight Green Laser w/ Picatinny Adapter Flat Dark Earth. Utilizing M-Lok mounting grip activation buttons adjustable windage and elevation and an ergonomic design the HS1 is the perfect accessory for your tactical firearm. The uniquely placed pressure activated button makes the HS1 ideal for use on AR-style firearms as the laser can be activated when the shooter is using a variety of grip styles. The shooter gets all the protection of a hand stop while utilizing a highly visible laser sight for aiming. Specifications for Viridian Weapon Technologies HS1 Laser Sight: Manufacturer: Viridian Weapon Technologies Laser Output: 5 mW Attachment Type: Picatinny Battery Type: CR1 CR1/3N Lithium Battery Life: 1.5 hours Reticle: Laser Operating Temperature: 14 - 140 Fahrenheit Weather Resistance: Yes Water Resistance Level: Water Resistant Gun Make: AR Platform Gun Model: Universal Gun Frame Size: Full Size Fabric/Material: High Strength Polymer Condition: New Mount Type: M-LOK Features of Viridian Weapon Technologies HS1 Laser Sight Makes the rifle easier to control and brings the shooter faster to target Lasers are highly visible to the human eye Low bulk no wires just grip and rip Laser is intuitively activated by the grip of the shooter's support hand Ambidextrous activation via all variety of hand grips Fits directly on MagPul MLOK rails or to Picatinny rails with an MLOK adapter Uses a single 1/3N battery Easy windage and elevation adjustment Available in multiple combos of lasers colors and housings Package Contents: Viridian Weapon Technologies HS1 Laser Sight Picatinny adapter What firearm models does the manufacturer say Viridian Weapon Technologies HS1 Laser Sight is compatible with? The manufacturer says that Viridian Weapon Technologies HS1 Laser Sight is compatible with UniversalViridian Weapon Technologies 912-0060: HS1 Laser Sight Green Laser w/ Picatinny Adapter Flat Dark Earth