The Holosun LS117 Collimated Laser is a high-quality rail mounted class IIIA visible green laser aiming device. It features a durable 7075 aluminum body to withstand the most extreme conditions and provide a long service life. It is easily attached to or removed from your firearm via a quick release picatinny rail mount. The Holosun laser offers a remote cable switch and IP67 water resistance adding years to its service. It boasts high/low brightness setting making this laser ideal for all lighting situations with a brilliant green or red laser for easy target acquisition in low light or on a bright, sunny day. It is a highly functional and reliable laser that boasts +/- 50 MOA elevation and windage travel range with .5 MOA adjustment per click for quick changes to your center. The Holosun Green Collimated Laser is a high-quality class IIIA visible laser in a durable body that offers reliability and fast target acquisition. Features:Manufactured by HolosunCollimated green or red laser pointerHigh/Low brightness settingRemote cable switchQuick release mountIP67 waterproofHolosun Technologies is committed to creating innovative optic, laser/IR technologies for a broad range of shooting, hunting, law enforcement, and military needs. Using quality manufacturing standards, they provide military grade optics without the military grade price.