Pinty Red &amp; Green Dot Sight 4 Reticles Reflex Sight， Adjustable Brightness， New Design ON &amp; OFF Switch with 20mm Rail Mount<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> UPGRADED BUTTONS &amp; 9 LEVELS for EACH COLOR: on red” &amp; “on green”; turn on the red light with “on red” button， so does the green light; press the two buttons together to turn light off. </span></li><li><span class="a-list-item"> TUBELESS DESIGN with 33mm REFLEX LENS APERTURE provides wide vision &amp; unlimited eye relief， suitable for quick target acquisition. </span></li><li><span class="a-list-item"> ALUMINUM ALLOY FRAME helps to withstand constant heavy recoil， steel nuts features light weight and solidity. </span></li><li><span class="a-list-item"> Allen head screw type WINDAGE ADJUSTMENTS for better vision angle. </span></li><li><span class="a-list-item"> STURDY and SECURE RAIL MOUNTING SYSTEM: Integral Weaver-Picatinny rail base for easy mount on guns with a Weaver-Picatinny rail. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41f%2Bl65JlYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-1dz74gbL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JEecdRwQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41xYl7S7c-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FCjc%2BR73L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vbTKlQHQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51nyRcfCSTL.jpg" noproxy>