Vism By Ncstar Cbt Series 3.5x40 Scope With Integrated Red Laser-Blue Ill.-Mil-dot-Green Lens3. 5X Magnification, 40mm Objective Lens with Prismatic Optical Lens for a High Definition View Features: Blue Illuminated Reticle with Multiple Brightness settings. Patented Center Beam Technology Internal Laser Sighting System Fully Adjustable Red Laser New Push Pull type Lockable Target Style Turret knobs Fog, Water, and Shock Proof Locking Quick Release Lever Mount. Color: BLACK Battery Required: YES Battery Included: YES Type: Lithium Primary