Hikvision 2 MP Audio Fixed Mini Bullet Camera DS-2CE16D0T-ITPFS poe-switch they can extend the distance

they can extend the distance to several kilometers even tens of kilometers which can basically satisfy the distance requirement of LAN

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Hikvision  2mp Fixed Mini Dome Ipc

Priority Mode ensures high priority of ports 1–2 to guarantee the quality of sensitive application

Hikvision 2 MP Audio Fixed Mini Bullet Camera DS-2CE16D0T-ITPFS poe-switch they can extend the distanceHikvision 2 MP Audio Fixed Mini Bullet Camera DS 2CE16D0T ITPFS with 2 MP coaxial audio camera, Enhancing safety with discreet and economical built in microphone, Transmits audio over the coaxial cable, EXIR 2. 0: advanced infrared technology with 25 m IR distance, Water and dust resistant (IP67)