Built for serious competitors, the improved UltraDot Matchdot II Red Dot Gun Sight has 4 dot sizes (2,4,6 and 8 MOA) plus two reticle patterns for added flexibility. This Red Dot Scope from Ultradot features elevation and windage adjustments that can be made "on the fly" with the Bullet Drop Compensator knob. The Ultra-Dot Red Dot Match Dot 2 Sight comes with Mounting Rings, Lens Covers, Tube Extension, Hex Wrench, Polarizing Filter and Battery, providing you with all the equipment to get started right away. Specifications for Ultradot Matchdot 2 1x30mm Red Dot Sight: Manufacturer: Ultradot Color: Black Magnification: 1 x Objective Lens Diameter: 30 mm Reticle: 8 MOA Red Dot, 4 MOA Red Dot, 2 MOA Red Dot, 6 MOA Red Dot Illumination Type: LED Brightness Settings: 11 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Enclosed Battery Type: Lithium Metal, CR2032 Battery Quantity: 1 Battery Life: 20 - 4000 hours Length: 138 mm Width: 54 mm Weight: 5.1 oz Condition: New Magnification Type: Fixed Tube Diameter: 30 mm Red Dot Sights-Footprint: Not Applicable Attachment Type: Riflescope Ring Features of Ultradot Matchdot 2 1x30mm Red Dot Sight: Improved Sight w/ 4 Dot Sizes Two Reticle Pattern On the Fly BDC Package Contents: Ultradot Matchdot 2 1x30mm Red Dot Sight Battery Tube extension Polarizing filter Hex wrench Mounting rings