The RFX 11 is the next in a long line of purpose-built, high quality, and highly visible aiming devices from Viridian. Its tiny size is at home on any optics-cut concealed carry pistol or as a close-range offset sight on your rifle. At a mere 4 ounces, the RFX 11 is one of the lightest reflex sights on the market. Packed with features including a highly visible and efficient Viridian green 3 MOA dot, INSTANT-ON and auto shut off, ambient light sensor and over 30k hours of run time make the RFX 11 a must have for any firearm.Purpose-Built Fit: Engineered specifically for the LCP MAX, offering a seamless and secure, low-profile, and sleek look.Performance: Uses a bright 3 MOA green dot with a 14 by 18 mm viewing window.Technology: Features Instant-On Activation and automatic brightness adjustment, allowing for rapid target acquisition.Durability: The unit is shockproof and IPX4 water-resistant.Installation: Designed to mount directly, replacing the rear sight without needing custom milling.