Reticle allows for 4 different styles. Dot, Circle/Dot, Crosshair/Dot, Crosshair/Circle/Dot combinations. All in one sight A 33mm lens provides quick target acquisition. Wide field of view to maintain situational awareness Very sturdy and secure rail mounting system. Will not come loose, made to last Parallax corrected & unlimited eye-relief, where the dot goes, so does the bullet Ultralight, waterproof and shockproof - Powered one 3V lithium battery (included) ASIN#: B0BGWT366D Model number#: Feyachi1039_VC