Advanced brightness color separation and signal filtering technology, ultra-low illumination, achieve ultra clear image quality, delicate and pure; The 75-3 coaxial line can transmit up to 500 meters without loss, with stable performance and convenient wiring; The front-end signal is not encoded or compressed, with no delay or loss, and the signal is high fidelity; Third party open standards, compatible with AHD products from other manufacturers; Super decoding comes with digital wide dynamic range, fog penetration function, strong light suppression, 2D/3D noise reduction and other functions. This product is suitable for roads, shopping malls, banks, public places, finance, hotels, office buildings, residential areas, etc.