Check the listing for details. Holosun HS510C Multi-Reticle Circle Dot Reflex Sight w/ Solar & Shake Awake. Color: Black, Condition: New. Listed at 309.99 USD. --> Holosun HS510C Multi-Reticle Circle Dot Open Reflex Sight w/ Solar Failsafe, Shake Awake, and QD Mount - HS510C SKU: HS510C-Holosun Holosun HS510C Multi-Reticle Circle Dot Open Reflex Sight w/ Solar Failsafe, Shake Awake, and QD Mount - HS510C The Holosun HS510C is an Open Reflex Sight created with Solar Failsafeâ„¢ which means you won't have to worry about battery failure. With the added feature of automatic brightness adjustment, you'll be able to use your red-dot in almost any lighting condition. Add to that the convenience of Shake Awakeâ„¢, the user-programmable LED shut-off technology that wakes with the slightest movement, and you have one of the most battery efficient micro reflex sights on the market. Topping it off is T6 Aluminum housing and a multi-reticle system making this a must-have optic for any rifle or PDW.In the Box: Absolute Cowitness QD MountT10 L KeyCR2032 BatteryLens ClothUser ManualFeatures of the Holosun HS510CMRS: Circle Dot; 2 MOA Dot; 65 MOA CircleUp to 50,000 Hours Battery Life (Setting 6)12 Brightness Setting: 10 DL & 2 NV CompatibleConvenient Tray Battery CompartmentParallax-free & Unlimited Eye Relief This item may be regulated for export by the U.S. Department of State or US Department of Commerce. By bidding or purchasing this item, I understand, acknowledge, and agree to EuroOptic's Export Policy. Manufacturer's Part Number HS510C UPC 605930624571Battery Type Objective Lens Diameter: 0.91"x1.26"Battery CR2032 and SolarProduct Type Dimensions: 3.3"x1.68"x1.78"Magnification Range: 1xReticle Details Red 2 MOA Dot & 65 MOA CircleWeight: 4.94 ozItem Condition