From close-range drills or steel at distance, the Crossfire II is built to grow with you. Quick to set up. Simple to run. It's motion-activated, magnifier and night-vision compatible. Mount it up, and make some noise. Feature Tech SOLAR with Auto D-TEC Technology Detects light conditions to automatically draw power from solar or battery as needed. Motion Activation with 10 Minute Auto-Shutoff Automatically activates with motion while 10 minute auto-shutoff saves battery life. 10 Daylight Bright Brightness Settings Daylight bright, illuminated center dot aids in faster center-point acquisition in bright daylight conditions. Night-Vision Compatibility The lowest 2 settings are night-vision compatible. Parallax Free All red dot 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. Multi-Height Mount System Lower 1/3 Co-Witness Mount and Low Mount. Single-Piece Chassis Compact and lightweight. ArmorTek Ultra-hard exterior lens coatings defend against scratches, oil, and dirt. Fully Multi-Coated Lenses Anti-reflective coatings on all air-to-glass surfaces provide increased light transmission for greater clarity and low-light performance. Nitrogen Gas Purged Gas purged and O-ring sealed for fogproof and waterproof performance. 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.