The Bushnell R5 4-12x40 Illuminated DOA-LRH800 Riflescope includes an illuminated reticle for enhanced visibility in low-light conditions. The HD Optical System ensures superior light transmission, contrast, and resolution for optimal viewing. Fully-Multi Coated Lenses maximize light transmission for bright, clear images. The EXO Barrier repels water, oil, dust, and debris for a clear and clean lens surface. With an IPX7 waterproof rating, this riflescope provides protection against water exposure, ensuring consistent performance in wet environments.