CAT EDG. Built to Survive. Ready to Fight.The Cyelee CAT EDG is a fully enclosed red dot made for tough jobs and harsh places. It is waterproof, fog-proof, and sealed against dust. Rain, mud, or sand will not stop it. Its enclosed design protects the LED and electronics from dirt, water, and bumps. You get a clear and sharp view every time, even in bad weather. Made from strong 7075 aluminum, the CAT EDG is tested for hard drops on full-size pistols. It is ready for daily carry, range days, or duty use. When you need a red dot that will not quit, the CAT EDG is built to keep going.