The Holosun Classic Open Reflex Optical Red Dot Sight HS407K X2 is a high-quality red dot sight designed for hunting and sporting activities. With a 650nm light wavelength and a 6 MOA dot reticle, this sight offers a clear and precise aiming point. Its housing is made of durable 7075 T6 Aluminum and is IP67 submersible, making it reliable in various conditions. With a weight of only 1 oz and a compact design, this sight is convenient and easy to use for quick target acquisition in hunting or shooting scenarios.