cvlife tactical gun sight red green dot scope reflex sight for 20mm cantilever mount cvlife <b>specification</b><br> -- color: black<br> -- weight: 308g<br> -- tube dia: 40mm<br> -- length: 120mm<br> -- objective dia: 35mm <br> -- magnification: 1x <br> -- field of view @ 100 yards: 60°<br> -- eye relief: flexible<br> -- exit pupil: 80mm<br> <br> <b>features</b><br> -- made of high grade aluminum alloy, the reflex sight is durable and hold zero. <br> -- 5 illumination intensity, the dot sight is bright enough to see on a sunny day or at night.<br> -- anti-lost windage/elevation adjustment caps design<br> -- comes with lens cover and mount, the mount fits for 20 mm rails. <br> -- full metal construction, the dot sight is waterproof and fogproof. <br> -- long battery life, the gun sight is equipped with one cr2032 battery. <br> <br> <b>package included</b><br> -- 1 x dot sight with lens cover<br> -- 1 x cr2032 battery<br> -- 1 x cantilever mount<br> -- 1 x allen wrench<br> -- 1 x cleaning cloth<br>