4CH DVR supports 2CH 8MP / 5MP / 4MP / 3MP / 1080P / 720P / WD1 IP video input by default. 4 CH TVI / AHD/CVI 8MP / 5MP / 4MP / 3MP / 1080P / 720P / WD1 video input. It featuresHDMI and VGA video outputs for flexible display options and includesalarm input/output andaudio input/output interfaces for enhanced system integration.
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