Element Optics HYPR-7 Rifle Scope Length: 6.81" Weight w/battery: 18.3 ounces Runs off a AAA battery 3 Days of continuous use Eye relief 1.7 inches 50mm objective lens Field of View @ 100 yards: 25 feet Magnification: 7x Auto shutoff timer Low battery emergency mode still works for 3 hours but at limited function Unimount with two bases Smartphone app 4 Ballistic profiles 5 different reticles Onboard sensors: Inclinometer, barometer, thermometer, and hygrometer ND filter flip-up Is capable of estimating range out to 100 yards, or connecting to an external range finder Waterproof Fogproof Nitrogen purged Minimum parallax: 6 yards