Our Rhino Red Dot Scope is read to be beaten and abused. We put it through rigorous testing to make sure it could stand up to even the harshest conditions. This no frills red or green dot scope sits perfectly atop your battle rifle to provide easy, quick targeting with the large 35mm objective. It offers absolute co-witness with standard AR pattern sights and a 4 MOA dot perfect for target acquisition. It is backed by our no questions 1 Year full warranty and dedicated US based support. Uses CR2032 battery that is included. ASIN#: B010OMQSR2