Ultradot 25mm Gen 2 Red Dot Sight Silver UD25S G2. These Ultradot Red Dot Sights offer 11 brightness levels so that you can match your reticle to your surroundings. This Ultradot Gen II 2 MOA Red Dot Aiming System also has adjustable windage and elevation for guaranteed precision with every shot you take. Mount a Ultradot Gen2 25mm Sight on your weapon to enhance your performance. Specifications for Ultradot 25mm Gen 2 Red Dot Sight 2 MOA: Manufacturer: Ultradot Finish: Black Magnification: 1 x Objective Lens Diameter: 25 mm Objective Window Size: 25 mm Reticle: 2 MOA Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 11 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Enclosed Battery Type: CR2032 Lithium Battery Quantity: 1 Weather Resistance: Shock Resistant Fog Resistant Water Resistance Level: Water Resistant Shockproof: Yes Fogproof: Yes Length: 5 in Weight: 3.9 oz Additional Features: Red Dot Aiming System Gas Filled Magnification Type: Fixed Tube Diameter: 1 in Red Dot Sights-Footprint: Not Applicable Package Contents: Ultradot 25mm Gen 2 Red Dot Sight 2 MOA Battery Tube extension Polarizing filter Hex wrench Mounting rings Rubber Lens Covers Ultradot UD25S G2: 25mm Gen 2 Red Dot Sight Silver