The Prism red dot sight features an etched reticle for increased clarity with or without illumination. It also has an extremely wide field of view and adjustable diopter eyepiece making it ideal for rapid target acquisition at short and medium ranges.Features:1x magnificationEtched reticle for increased clarity with or without illumination6-MOA CQB circlea dot with large outer ringExtremely wide field of view (37.5 ft @ 100 yards)Adjustable diopter eyepieceIdeal for rapid target acquisition at short and medium rangesDigital push-button brightness controlsAuto-off feature conserves battery power when not in use