USED, Like New Condition

Powered by one AA batery.

The battery can be changed without removal of the scope. And, the battery goes into a replaceable "tube" that protects the scope from a leaking battery.

From Leupold 

The LEUPOLD Mark-4 CQ/T 1-3x14 Matte Rifle Scope, Illuminated Circle Dot Reticle (67670) combines the strengths of a red dot at close range, with the versatility of a variable power riflescope, and has proven itself in competition, on the streets, and in battle. The CQ/T riflescope is incredibly tough, 100% waterproof in all conditions, and devastatingly accurate. The Leupold Mark-4 CQ/T riflescope is an excellent choice for personal protection and hunting. The integrated MIL-STD-1913 rail mount cross-slots allow you to easily attach a variety of accessories to your CQ/T. The CQ/T features the Diamodcoat Lens Coating. This coating on the exterior lenses gives you the ultimate in abrasion resistance and light transmission. The result is a flawless sight picture over a lifetime of hard use. DiamondCoat has made a difference in battle; now it can make a difference where you hunt. The Circle Dot reticle offers a bold aiming point with built-in range estimating capability. The reticle is illuminated in amber. When turned off, or without batteries, it remains visible, reverting to black. This model riflescope matches any light conditions. It has Leupold exclusive reticle illumination settings with two low-intensity, night-vision compatible settings. Eleven reticle illumination settings match any light conditions. At 1x, the illuminated reticle works like a red dot sight for fast, reflexive shooting. At 2x and 3x, the reticle offers precision long range aiming. The CQ/T is becoming a fast favorite with competitive shooters who appreciate its unique close and long range capabilities. Other features for the Mark-4 CQ/T riflescope include: 2.9 inches maintube; windage and elevation dials in 1/2-MOA coin-click adjustments; 90-MOA of both windage and elevation adjustment. The Leupold tactical CQ/T 1-3x14 Rifle Scope is backed by Leupold's Tactical Optical Products Life Time Warranty.