Personal protection demands absolute reliability, and the Defender-CCW Enclosed Solar Micro 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. Enclosed Aluminum Housing - Durable 7075 aluminum enclosed housing protects against debris and moisture SOLAR with Auto D-TEC Technology - Detects light conditions to automatically draw power from solar or battery as needed Aspherical Lens - For a distortion-free sight picture and truer colors Fast-Rack(TM) 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 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 Multi-Reticle - Quickly adapts to diverse shooting situations Large Viewing Window - For fast target acquisition and wide field of view