The Sightmark Wolverine FSR Red Dot Sight is a durable red dot optic with a 2MOA dot reticle, designed for short-range engagements and quick target acquisition. The Wolverine’s extremely low power consumption delivers an incredible 1,000,000 hours battery life on low and 6 years continuous use on setting 6 from just a single AA battery. The Wolverine FSR Red Dot Sight is waterproof, fogproof and shockproof with rubber armored, single piece 6061-T6 aluminum housing. Glass is protected by a scratch resistant, anti-reflective lens coating. All Wolverines have night vision modes, making them compatible with night vision devices. Picatinny mount, riser for absolute co-witness, a rubber lens cover and a manual are included.