HawksTech &reg; 3in1 3-9x50 Red&green&blue Rifle Scope Riflescope Sight/1'' Ring 20mm Weaver Picatinny Mounts+1x22x33 Holographic 4 Reticle Reflex Tactical Red Dot Sight Scope 20 Mm Rail+powerful Tactical Hunting Rifle Green Laser Sight Dot Scope Adjustable w/ Mounts Magnification: 3 - 9X Field of View @ 300 yards: 16.1' - 4.0' 4retical have 4 Different Reticle Patterns Riflescope Rifle scope These optical and electronic integration laser scopes provide a wide field of view for us. Suitable for rapid-firing of shooting of moving targets basides Objective Diameter: 40mm battery ( NOT included)