Vortex Defender CCW 1x Red Dot - 3 MOA Defender Dot - Arm yourself with the red dot specifically built for modern everyday carry. The micro-sized Defender-CCW delivers maximum concealment, function without fail, and first-shot quickness you can trust when facing a threat with nowhere to run. Large distortion-free sight picture Automatically activates with motion while 14 hour auto-shutoff saves battery life Polymer insert absorbs shock to the 7075 aluminum body protecting it from everyday abuse. Easy battery changes without having to re-zero your optic. Daylight bright, illuminated center dot aids in faster center-point acquisition in bright daylight conditions All red dot and holographic sights will exhibit some small amount of parallax. Matching current industry practice, this small amount would be considered "parallax free" and will make a negligible difference in performance. Non-critical eye relief for rapid target acquisition. The lowest 2 settings are night-vision compatible. O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments. Designed to withstand a wide range of temperatures. Rugged construction withstands recoil and impact. Corrosion and wear resistant anodization provides low-glare matte surface and helps camouflage the shooter's position. Compact and light weight.