Hikvision Analog 4-Wire Door Station DS-KB2421T-IM Write speed_330 MB/s hot-swappable drive bays and redundant

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Hikvision Analog 4-Wire Door Station DS-KB2421T-IM Write speed_330 MB/s hot-swappable drive bays and redundantHikvision Analog 4 Wire Door Station DS KB2421T IM The Hikvision 4 wire villa door station, with mental design, simple appearance and great texture, supports starting video intercom and providing door permission by one touch button, which is easy to use. Plug and Play is supported, which is easy for installation and deployment, which is suitable for the scenarios of villa, detached house, etc. Features 4 wire plug & play analog door station 2MP