13 Illumination settings + 3 NightVision; Highest settings are Daylight Bright; AutoLive motion-sensing on/off battery saving technology; Etched Reticle, perfect answer for astigmatism and works without illumination; Wide Field of View (38.0 ft @ 100 yds), excellent for CQB situations; Uses One CR2032 Battery (Included); Up to 29,000 Hours on medium setting; Industry Standard Mini Prism Mount Footprint; Lens Covers included