The Reflex Mini Sight 2.0 4 Moa Red Dot Glass Edition offers a remarkable blend of durability and performance featuring an impressive battery life of 22000 hours powered by a single CR 2032 Lithium battery. This lightweight sight weighing just 0.61 oz is designed with an automatic brightness setting for seamless adjustment in various lighting conditions. Its sleek black finish complements its robust construction while the 4 MOA red dot reticle ensures precision aiming. Additionally this sight is night vision compatible making it a versatile choice for both day and night use.