Hikvision DS-KIS608-P 2MP HD IP Video Intercom Kit Security 2 Way Audio. Hikvision DS-KIS608-P IP Video Intercom Kit. Audio intercom Two-way audio communication. RS-485 1 RS-485 (Half duplex). Wireless network 2.4 GHz, IEEE802.11b, IEEE802.11g, IEEE802.11n.
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