From the legendary ACOG® family of products the LED ACOG is the first to offer user-selectable brightness controls. Users can select from six adjustable brightness levels with an off between each setting allowing the operator to determine how much to illuminate the reticle – even in transitional lighting. Powered by a single AA battery the LED ACOG can run for over 12000 continuous hours (on setting #4). The body has been optimized by moving the RMR mount forward to maximize its performance in conjunction with the ACOG. Like all ACOG models it is forged from rugged 7075-T6 aircraft-aluminum resulting in a nearly indestructible sighting system and electronics that offer outstanding reliability. Users can select multiple bullet drop compensating and ranging reticle options. Fully night vision device compatible the Trijicon 4×32 LED ACOG is also compatible with most other 4×32 ACOG accessories available. – Package Includes: – 1 Thumbscrew Flattop Adapter (TA51) – 1 AA Battery – 1 LENSPEN® (TA56) – 1 Lanyard Assembly for Adjuster Caps (TA71E) – 1 Lanyard Assembly for Battery Cap – 1 Trijicon Logo Sticker (PR15) – 1 Manual – 1 Warranty Card – Magnification: 4x – Objective Size (mm): 32mm – Bullet Drop Compensator: Yes – Length (in): 6.0 in – Weight (oz): 18.1 oz. with TA51 Mount and Alkaline Battery – Illumination Source: LED – Reticle Pattern: Crosshair – Day Reticle Color: Green – Night Reticle Color: Green – Calibration: 0.223 – Bindon Aiming Concept: Yes – Eye Relief (in): 1.5 in – Exit Pupil (mm): 8mm – Field of View (Degrees): 7 – Field of View @ 100 yards (ft): 36.8 – Adjustment @ 100 yards (clicks/in): 2 – Mount Comes With: TA51 – Housing Material: Forged Aluminum – Batteries: Single AA Lithium or Alkaline Battery – Battery Life: Over 12000 hours on setting #4 using supplied alkaline battery