GreenYi AHD Camera Features: 1920x1080P or 1280x720P ( Switchable ) AHD Technology ( Only support AHD monitor ) Top GC2053 AHD Chip Sphere 360 Adjustable Angle No LED Waterproof No Color Cast 2000000 pixels Night Vision: Starlight Night Vision. The visible distance is greater than 20 meters, automatic gain control, auto white balance, auto backlight compensation. Tip: The AHD camera only support AHD monitor. AHD 1920x1080P Camera (Analog High Definition Technology) AHD technology can realize reliable transmiion of ultra-long-distance (500 m) high-definition video signals on analog transmiion lines; it adopts advanced Y/C signal separation and analog filtering technology, which can effectively reduce color noise in high frequency region and image reduction. better. Compared with the traditional CVI signal, AHD's surveillance image quality has a qualitative leap and improvement, and the resolution can be equal to the HD 1080P level. AHD-M(TVL) Features: Clearer and advanced bright color separation, signal filtering, 3D noise reduction technology, higher image clarity and better image reproduction. transmiion far from the coaxial transmiion of ordinary 75-3 line up to 500 meters zero-delay front-end data is not encoded and compreed to the back end, full real-time, high fidelity compatible with ordinary CVBS signals, compatible with analog peripherals (including splitters, matrices, etc.) Highly integrated AHD front-end chip, high-definition quality products. Adjustable Angle Top Night Vision Waterproof Conversion Line Control White Cable: Video Signal Control AHD1080PAHD720P Product Specification Package Installation Diagram ( Tip: not include monitor, cable and cigarette lighter )