Product DescriptionThe NCStar DRGB135U is a compact 35mm tube reflex sight engineered for quick target acquisition and flexible mounting. Its tri?'color reticle lets you choose red, green, or blue dot illumination, driven by a Light Emitting Diode (LED) that is 100% safe for the eyes. A rheostat knob provides three brightness levels per color, while unlimited eye relief and the included 30mm cantilever mount make it easy to position on a variety of firearms with Weaver/Picatinny rails. The durable Urban Gray powder?'coated aluminum body includes flip?'up lens covers, a CR2032 battery (plus a spare), and mounting tools so you can head straight to the range.Product HighlightsTri?'color red/green/blue 3 MOA dot with three brightness levels for any lighting conditionDurable Urban Gray powder?'coated aluminum body with flip?'up lens coversUnlimited eye relief and clear 35mm objective for fast target acquisition30mm cantilever mount clamps to Weaver/Picatinny/MIL?'STD?'1913 railsIncludes CR2032 battery, spare battery, and mounting toolsSpecsMagnification: 1xObjective Lens Diameter: 35 mmReticle: Red/Green/Blue dotDot Size: 3 MOALens Coating: PlatinumEye Relief: UnlimitedMount Type: 30mm cantilever mount; rail clamp with thumb nut; 1.5 in centerline height; compatible with Weaver/Picatinny/MIL?'STD?'1913 railsBody Color/Finish: Urban Gray powder?'coated aluminumLength: 5.0 inWeight: 8.9 ozBattery: CR2032 (included; extra battery provided)UPC: 848754002976Manufacturer Part Number: DRGB135UBrand: NCStarDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.