Network Video Recorder 48474832-3037-3435-3739-88de39c5345b DS-7604NI-Q1/4P DS-7604NI-Q1/4P0420251017CCRRGH2074579WCVU 88:de:39:c5:34:5b V4.83.100 build 250626 V5.0 build 250626 NVR 255 B-R-K21B2-00 hikvision