Featuring a durable aluminum and polymer housing, the Firefield Impact Reflex Sight delivers intuitive target acquisition on tactical shotguns and AR-style rifles. The versatile Impact features 4 different illuminated reticle patterns and 6 user-selectable brightness settings with digital switch controls. An outer protective shield safeguards the shockproof optic and its components from impacts and hard use. A quick-detach mount allows the sight to be taken off firearms quickly, and reattached without affecting zero. The lightweight Impact Reflex Sight runs on an easy-to-find CR2032 battery (included) and comes with neoprene cover and an adjustment tool. IP55 water-resistant. Manufacturer model #: FF26022. Rapid sight/target acquisition 4 different reticle patterns 6 brightness settings Quick-detach mount IP55 water-resistant Shockproof Unlimited eye relief