Large Viewing Window for fast target acquisition and large field of view; ShockShield Polymer Insert to protect against hard, daily abuse; Fast-Rack Textured Grip - Aggressive texturing on face of optic for racking slide off any surface; Motion Activation with 10 Minute Auto-Shutoff; Button Lockout prevents accidental brightness adjustment during use or transport; Top Mount Battery for easy battery changes without having to re-zero your optic; 10 Illumination Settings (8 Daylight, 2 NV); Low-Glare Matte Black Anodized Finish provides low-glare matte surface and helps camouflage the shooter's position; Waterproof, Fogproof, Shockproof