Holosun LE221 Elite Dual Laser Sight Green/IR Laser Black IR. The two lasers are coaxial so that the user could adjust them synchronously using same windage and elevation adjustments. Equipped with a QD mount remote pressure switch and housed in CNC machined Titanium with this beast will meet all your tactical or hunting needs. Specifications for Holosun LE221 Elite Dual Laser Sight: Manufacturer: Holosun Beam Color: Green Color: Black Beam: IR Base/Mount Type: QD Mount Water Resistance Level: IPX-8 Storage Temperature: -40 - 65 Celsius Fabric/Material: Titanium Adjustment Range: 0.5 MOA Gun Model: Universal Features of Holosun LE221 Elite Dual Laser Sight:Coaxial lasersRemote cable switchQuick release mountHousing is CNC machined TitaniumIPX8 Package Contents: Holosun LE221 Elite Dual Laser Sight Holosun LE221-GR&IR: LE221 Elite Dual Laser Sight Green/IR Laser Black