The Killer Instinct Lumix XLR 4x32 Crossbow Scope features multi-reticle aim points that have rheostat brightness illumination in red or blue for low light settings. Exceptional clarity is produced from multicoated optics with a 1-inch mono tube construction and fast focus eyepiece. Nitrogen purged for Water, Shock and Fog Proof performance. Compact, slim line design for modern crossbows shooting above 300+ FPS. Scope caps included.