The Vortex StrikeFire II Red/Green Dot Sight with a 1x 30mm Cantilever Mount is a high-quality optic designed for shooting sports like hunting. Made from durable aluminum alloy with a hard-anodized matte black finish, this sight features a 4 MOA dot reticle in red or green with unlimited eye relief. The set includes flip-up lens caps, a cantilever mount for easy rail mounting, and a CR2 battery with a battery life of 300 hours. With a lifetime manufacturer warranty and parallax-free performance, the Vortex StrikeFire II is a reliable and precise accessory for any shooting enthusiast.