Hawke Wide View Reflex Sight, Circle Dot, Weaver Mount 25-layer fully multicoated lens 2 MOA red dot, 35 MOA circle 8-stage digital brightness control 10 yard fixed focus Weaver mount Windage and elevation adjust by 1 MOA clicks Shockproof and waterproof Length: 2.3" Weight: 3oz Uses CR2032 battery (included) Includes: lens cloth, manual, rubber cover, hex keys, and screwdriver Covered by Hawke Two Year Warranty