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High Resolution Cameras
High resolution cameras capture images at a higher horizontal Television Line Number (TVL) than 420TVL. Having a higher TVL results in a clearer picture because an increased TVL adds more detail to the image.
For example, a camera that is rated at either 420 TVL or 320 TVL is considered to be Standard Definition. However a camera that is rated at either 480TVL or 600TVL is considered High Resolution because the TVL is higher than 420.
It is highly recommended that high resolution cameras only be used with DVR units that are capable of recording in HD1 & D1 resolution. If a DVR is only able to record in CIF resolution and not in HD1 or D1 resolution, the camera will only be able to display a standard definition image.
Our HD CCTV camera is available for indoors, outdoors, night vision, and harsh environment application. Welcome to choose.