The TruGlo Traditional Red-Dot Sight is built for versatile applications including shotguns, rifles, crossbows, and handguns. With a 30 mm objective and a 5 MOA red dot reticle, this sight allows for accurate targeting even in various weather conditions, as it is designed to be waterproof, fog-proof, and shock-resistant. The sight's construction features multi-coated lenses that enhance light transmission significantly, ensuring clear and bright sighting in all situations, and it conveniently includes a 3V CR2032 battery for immediate use.