The C&H ERD-2 is a rugged, auto dimming rifle optic that will be a perfect match for your gas rifle or PCC. It offers the ability to adjust the brightness instantly and automatically based on the changes in light picked up by the front facing target sensor. This dimming can also be manually set. It utilizes a picatinny rail mount for widespread compatibility. Available in red dot with a 3 moa dot. FEATURES 10 Levels of brightness (1&2 are night vision compatible)Motion Control (shake awake)Shockproof (Rated for All rifle ammo)Waterproof (ipx7, 1 meter for 30 mins)50,000 Hours Battery LifeCNC Machined One-Piece Body DISCLAIMER:This product is NOT a laser sight, sniperscope, night vision firearm scope, assault weapon part, tool, or accessory.