If youâve spent any time online searching for a used car, youâve probably seen ads for manufacturer-backed certified pre-owned (CPO) programs offered through dealerships. While you may be tempted to avoid heading to the dealerâcars for sale by private owners can be found all over Craigslist and other third-party sitesâa CPO vehicle can be a good choice for some buyers.
In the context of a CCTV camera TVL (TV Lines) refers to the horizontal resolution (the maximum number of vertical lines the camera can resolve) of the CCTV camera. TV Lines are the standard measure of an analog TV's Resolution. Rather than represent discrete locations on a grid, as Pixels in a digital Frame do, TV Lines indicate the maximum number of identifiable changes that can be produced along a single (horizontal) Scanline of an analog TV.
HDMI Converter: Description. The AHD-BL25 is a wide angle security camera (180 degree security camera) with built-in infrared night vision. This is a 1080p HD CCTV camera (AHD format) that can be used for indoor and outdoor video surveillance systems because the housing is weatherproof. The 2.5mm fisheye lens captures a 180 degree field of view (170 degree effective range) .