Vortex Defender-ST Micro Green Dot Features This green dot sight provides quick target acquisition through its bright 3 MOA aiming point offering excellent contrast in bright or transitional lighting. True 1x magnification supports natural both-eyes-open shooting improving speed and situational awareness. With smooth 1 MOA adjustments and ample travel shooters can refine their zero with confidence across various platforms. The Defender-ST's lightweight rugged housing is built for everyday carry and hard-use environments while maintaining reliable operation. A long-lasting CR2032 battery delivers up to 25 000 hours of runtime reducing maintenance and ensuring readiness. Its compact footprint low deck height and intuitive controls make it a practical upgrade for shooters seeking dependable green dot performance built for fast consistent shooting. Vortex Defender-ST Micro Green Dot Specifications Manufacturer: Vortex Model: Defender-ST Magnification: 1x Dot Size: 3 MOA Dot Color: Bright Green Reticle: 3 MOA Dot Mounting Footprint: DeltaPoint Pro Adjustment Graduation: 1 MOA Travel Per Rotation: 40 MOA Max Elevation Adjustment: 115 MOA Max Windage Adjustment: 145 MOA Parallax Setting: Parallax Free Battery Type: CR2032 Battery Run Time: 25 000 hrs Eye Relief: Unlimited Deck Height: 9.7mm Length: 1.83 Weight: 1.48 oz