MSAR- Magnifier Sensing Adaptive Reticle (Pat Pend) - Parallax-Free Optical System - Massive 40mm High-Performance Multi-Coated Mangin Lens - Quad Ballistic Circle Dot 2.0 Reticle - 15 Brightness Settings (12 Day 3 NV) - Dedicated NV Override Switch - 50000 hr runtime on CR123 utilizing MOTAC - Flip-Back Lens Covers Included - MIL-STD-810 Durability - IPX8 for Waterproof and Fog-Proof Performance - Assembled in Oregon USA - MAGNIFICATION 1X - OBJECTIVE LENSE DIAMETER 40MM - RETICLE QBCD 2.0 - RETICLE OPTIMIZATION MSARTM - SIGHT HEIGHT 1.41 IN ABSOLUTE CO-WITNESS - ILLUMINATION SETTINGS 15 ( 12 DAY + 3 NV ) - BATTERY TYPE CR123 - RUNTIME 50000 HRS - TOTAL TRAVEL 100 MOA - ADJUSTMENT 0.5 MOA PER CLICK - WATERPROOF IPX8 - MIL-STD 810 - (A) LENGTH 2.9 in - (B) HEIGHT 2.4 in - (C) WIDTH 1.9 in - WEIGHT (BATTERY AND FLIP-BACKS INSTALLED) 9.5 oz