Miniaturized to fit most optics-ready subcompact and pocket pistols, the HS407K Reflex Sight gives you a major advantage in close-quarters self-defense scenarios. Innovative Shake Awake technology brings the optic to life with the slightest movement, meaning no fumbling with controls under duress. Then, when the 407 does not sense motion, it shuts down, which helps extend battery life up to 50,000 hours. Multi-coated lens offer a parallax-free sight picture with unlimited eye relief. Durable 7075 aluminum construction is unaffected by extreme weather conditions and can stand up to regular IWB carry. Excellent Holosun open reflex sight Miniaturized to fit most optics-ready subcompact and pocket pistols Advanced LED technology gives you up to 50,000 hours of use on single battery Red LED 6 MOA dot 10 daylight/2 night vision brightness settings Shake Awake technology powers up at the slightest movement CNC-milled 7075 aluminum housing IP67 certified waterproof 1/2 MOA windage and elevation adjustments Order today!