Vortex Defender-CCW Enclosed Solar 1x Dot - 3 MOA Dot - Personal protection demands absolute reliability, and the Defender-CCW Enclosed Solar Micro Green/Red Dot delivers. Its ultra-rugged, fully enclosed design shields the emitter from dust, rain, and impact. Fits full-size to micro-compacts. Battery and solar power ensure it's always ready to go. A large sight window and multi-reticle customization let you adjust and lock on targets quickly in any light-day or night-so you're always prepared for the unexpected. Features Enclosed Aluminum Housing: Durable 7075 aluminum enclosed housing protects against debris and moisture; Multi-Reticle: Quickly adapts to diverse shooting situations; SOLAR with Auto D-TEC Technology: Detects light conditions to automatically draw power from solar or battery as needed; Large Viewing Window: For fast target acquisition and wide field of view; Aspherical Lens: For a distortion-free sight picture and truer colors; Fast-Rack Textured Grip: Aggressive texturing on face of optic for racking slide off any surface; Motion Activation with 10 Minute Auto-Shutoff: Automatically activates with motion while 10 minute auto-shutoff saves battery life; Button Lockout: Prevents accidental brightness adjustment during use or transport; Parallax Free: All red dots and holographic sights will exhibit some small amount of parallax. Matching current industry practice, this small amount would be considered "parallax free" and will make a negligible difference in performance; Unlimited Eye Relief: Non-critical eye relief for rapid target acquisition; Side Load Battery: Easy battery changes without having to rezero your optic; Waterproof: Designed to withstand harsh weather conditions; Fogproof: Designed to withstand a wide range of temperatures; Shockproof: Designed to withstand the highest levels of recoil and impact;