The HS407K-X2 is an open reflex optical sight designed for concealed carry pistol applications. Features include Holosun's Super LED with up to 50k hours battery life, Red 6 MOA dot, parallax free, unlimited eye relief, adjustable windage and elevation, 12 brightness settings and Shake Awake. The X2 version adds improved glass clarity and Lock Mode. Includes multi-tool, lens cloth and user manual.