Illuminated Repro Leupold Mark IV Sniper scope Missing Adjustment Nobs (Still adjust perfectly) Battery included A very well made telescope, which in addition to focusing has a smooth magnification of 3.5 - 10x. The crosshair thanks to the possibility of backlighting in 5 intensity levels (5 red and 5 green) allows you to easily choose the appropriate setting for the prevailing conditions. The horizontal and vertical cross adjustment as well as the parallax knob can be adjusted manually without additional tools. Zoom: 3,5 - 10x Diameter of exit lens: 50 mm Diameter of enter lens: 33 mm Length: 350 mm Tube diameter: 30mm mat Aiming instrument: lightened cross Aiming cross regulation: vertical and horizontal Optic: glass Set include: scope 3.5-10x50, lens cover and high mounting rings for 22 mm RIS rail. For backlight the aiming cross, you need a CR2032 battery, 3V - not included