NcSTAR Dual Illumination Multi Reticle Reflex Sight Black w/ 7 Position Rheostat . The red dot sight is equipped with a 7 Position Rheostat (3 positions in each color) so you can set the brightness level that is right for your scenario. With 4 Different Reticles in each Sight and 3 different color finishes this NcSTAR Red Dot Sight definitely has what you need Features of NC Star Multi Reticle Reflex Sight: 4 Different Reticles Double Illumination (Red or Green) 7 Position Rheostat Package Contents: NC Star Dual Illumination Multi Reticle Reflex Sight Specifications for NC Star Dual Illumination Multi Reticle Reflex Sight: Manufacturer: NcSTAR Color: Black Fabric/Material: Aluminum Magnification: 1 x Objective Lens Diameter: 34 mm Reticle: Star Burst Bullseye Cross Dot Emitter Type: Open Battery Type: CR2032 Length: 3.25 in Weight: 4.2 oz Magnification Type: Fixed Red Dot Sights-Footprint: Not Applicable Mount Type: Picatinny Gun Rail: Picatinny Features of NC Star Dual Illumination Multi Reticle Reflex Sight: LED (Light Emitting Diode) 100percent safe for the eyes Unlimited Eye Relief for flexible mounting Red and Green colored Four Reticle set: Dot Bullseye Cross Bullseye Multi-position rheostat knob for three brightness settings for each of the colored reticles Integrated mount will mount onto virtually any firearm with a Weaver Picatinny MIL-STD 1913 type rails Black Anodized Aluminum Construction. Package Contents: NC Star Dual Illumination Multi Reticle Reflex Sight NcSTAR Dual Illumination Multi Reticle Reflex Sight Black w/ 7 Position Rheostat - D4RGB