(TD-7421AE2H(D/SW/AR1
1080P real-time image, high resolution, true color AHD / TVI / CVI /CVBS standard and lossless video output Up to 1000 TVL resolution CMOS progressive
(TD-7421AS1(D/AR1
1080P real time image, high resolution, true color AHD/TVI/CVI/CVBS lossless video output Up to 1000 TVL resolution CMOS progressive scan,
(TD-7420AS1(D / IR1
1080P real time image, high resolution, true color AHD/TVI/CVI/CVBS lossless video output Up to 1000 TVL resolution CMOS progressive scan,
TD-7420AS1L(D/IR1)
1080P real-time image, high resolution, true color AHD / TVI / CVI /CVBS standard and lossless video output Up to