Ventech VT-DM686 1200TVL Outdoor Dome Security Camera AHD with Night Vision and 2.8-12 mm Varifocal Lens (White) CAMAHD This camera have 2 MODE for video output: 960P(1.3megapixel) AHD and 960H ,Please check what type of video mode is required for your installation, for example if you want to connect the camera directly to a TV or to a D1 VENTECH DVR (or any brand analog DVR) you must select CVBS mode , but if you want to connect the camera to a AHD VENTECH DVR (or any AHD DVR) you must select AHD mode. 2.8-12mm varifocal lens for a wide range of viewing area. IR range of 98ft for high performance video in complete darkness. Weather and vandal resistant housing that can withstand the toughest of outdoor conditions. Auto Gain Control (AGC) and Back Light Compensation (BLC) for optimal picture quality in any given lighting condition.