The Swampfox Trihawk 3x30mm Prism Scope is the perfect short- to medium-range optic for any AR 15 or tactical carbine. Designed differently than traditional Prismatic Red Dot Sights, the prism design is especially useful for shooters with astigmatism who have trouble focusing on the dot. It has a true 10-degree field of view, which gives you 52 feet of vision at 100 yards, letting you designate, engage, and switch targets quickly and accurately. This red dot sight also has the convenient Auto-On Shake N Wake technology, which immediately turns it on when you grab your weapon and shake it. This is much easier to do in tense situations than finding and pressing a button, saving you valuable seconds when you need them most. For a tough, compact, fixed-power scope, you can't go wrong with the Swampfox Trihawk. Specifications for Swampfox Trihawk 3x30mm Prism Scope: Manufacturer: Swampfox Color: Black Finish: Matte Fabric/Material: 6061-T6 Aluminum Magnification: 3 x Objective Lens Diameter: 30 mm Objective Window Size: 30 mm Illumination Type: LED Brightness Settings: 12 Eye Relief: 2.36 in Adjustment Type: MOA Adjustment Click Value: 1/2 MOA Emitter Type: Enclosed Parallax: Unlimited Lens Material: Glass Battery Type: CR123A Battery Quantity: 1 Battery Life: 3000 hours Water Resistance Level: IPX-7 Water Resistant Mark: 1 m Shockproof: Yes Fogproof: Yes Gun Make: Universal Gun Model: Universal Length: 4.55 in Width: 2.28 in Height: 3.4 in Weight: 15.4 oz Included Accessories: Standard Condition: New Red Dot Sights-Footprint: Not Applicable Mount Type: Picatinny Attachment Type: Picatinny Features of Swampfox Trihawk 3x30mm Prism Scope: Industry leading, unbeatable ten-degree field of view. 3x magnification ideal to "do it all" from close quarters to medium range; Excellent user experience overall; impressive eye box, target resolution, and edge to edge clarity; Shake N' Wake technology shuts down illumination after abut 225 seconds without movement. Once movement resumes illumination immediately resumes to prior setting; Choose from red or green illumination variants Package Contents: Swampfox Trihawk 3x30mm Prism Scope Honeycomb Anti-reflection Device (x2) Flip Up Lens Cover CR123A battery Microfiber Cloth Tool (Swampfox special wrench)