Holosun HE512T Enclosed Reflex Optical Sight. Features include a Titanium housing Holosun's Super LED with up to 50k hours battery life Multi-Reticle System Solar Failsafe and Shake Awake. Specifications for Holosun HE512T Enclosed Reflex Optical Sight: Manufacturer: Holosun Color: Black Finish: Titanium Fabric/Material: Grade 5 Titanium Magnification: 1 x Objective Window Size: 0.91 x 1.26 in Reticle: 65 MOA Circle Dot 65 MOA Circle 2 MOA Dot Illumination Type: LED Illumination Color: Green Brightness Settings: 12 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1/2 MOA Parallax: Free Lens Material: Multilayer Reflective Glass Optical Coating: Multi-Coated Battery Type: CR2032 Lithium Battery Quantity: 1 Battery Life: 50000 hours Operating Temperature: -30 - 60 Celsius Water Resistance Level: IPX-8 Length: 3.35 in Width: 1.63 in Height: 1.7 in Weight: 9.17 oz Condition: New Package Type: Box Magnification Type: Fixed Quantity: 1 Mount Type: Picatinny Adjustment Range: 50 MOA Attachment Type: Picatinny Features of Holosun HE512T Enclosed Reflex Optical Sight: MRS: Circle Dot; 2 MOA Dot; 65 MOA Circle Up to 50000 Hours Battery Life (Setting 6) 12 Brightness Setting: 10 DL & 2 NV Compatible Convenient Tray Battery Compartment Completely Enclosed Design & Titanium Housing Parallax-free & Unlimited Eye Relief Package Contents: Holosun HE512T Enclosed Reflex Optical Sight Absolute Cowitness Mount T10 L Key User Manual CR2032 Battery Lens Cloth