*Incredibly fast target acquisition with the parallax free design. Incredibly easy to sight-in. Holds zero even after thousand of shots.*Whether you are shooting at dawn, dusk, night, or the middle of the day we engineered this to allow for 5 different brightness levels with both red and green dot selections.*Sealed with O-rings to prevent moisture or dust from getting inside and nitrogen purged to prevent fogging inside the glass optic.The Tacticon Predator V1 Red Dot / Green Dot Sight is made from high-quality aluminum alloy. The Predator V1 sight is waterproof, fog proof, and will never take in water or fog the lenses up when you're shooting. This optic can be adjusted to red dot or green dot depending on what level of light you're shooting in making it the perfect addition to your AR 15 or any tactical rifle that accepts standard picatinny rail sights. The Tacticon Predator V1 features 5 different brightness adjustments for both the red and green color, rubber lens caps, glare-resistant glass lenses and an elevated cantilever aluminum picatinny rail mount. Includes extra CR2032 battery and micro fiber lens cloth with your purchase.