The Kahles Helia RD Reflex Sight is a simple and lightweight sighting solution. The device is just 2.16 inches long and weighs in at 1.48 ounces with a generous 26x22 mm sight picture. The Helia RD features a anti-reflective coating on the lens providing a clear image and sharp 2 MOA red dot reticle. The device has 4 illumination settings and intelligent auto-off to protect the devices battery life. The Kahles Helia RD comes with a Picatinny/Weaver rail mount, adapter plates for popular European mounts, and a high visibility cover with spare battery storage to protect the lens.