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.
TCL is one of the largest television manufacturer's in the world and are known for their relatively cheap HDTV's. Because the models often sell for lower prices than the competition, they tend to lack some high-end features such as Internet connectivity and high refresh rates.