The FastFire C, Burris Optics' latest innovation in red dot optics, designed specifically for sub-compact and micro-compact pistols used in everyday and concealed carry. Weighing less than one ounce, the FastFire C offers durability and reliability, featuring an "Always On" technology with a 25,000-hour run time, powered by a CR2032 battery. Its low profile allows for absolute or 1/3 co-witness with standard open sights, eliminating the need for elevated sights. Equipped with an Intelligent Auto-Bright system and offering manual illumination settings, this compact red dot ensures optimal visibility in any light condition. This is a factory blemish sight. Product Specifications Magnification: 1x Reticles: FastFire 6-MOA Dot Reticle Colors: Red Finish: Matte Eye Relief: Unlimited Click Value: 4 MOA Elevation Adjustment, Total Capacity: 80 MOA Length: 1.61 in. Weight: 0.44 oz/ Illumination Control: Push-Button Illumination Settings: 5 Brightness settings plus Burris Intelligent Autobright Battery: CR2032