Have you used dual lens dual screen surveillance? One camera can simultaneously monitor two different areas, one on duty and one on sentry duty. VStarcam intelligent dual view pan tilt camera CS663DR, 4G/WIFI version optional, full color night vision, two-way voice, real-time human detection alarm, suitable for monitoring important places such as fishing ponds, houses, farms, etc!
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![](https://i.ytimg.com/vi/iTEVeYWMbTM/maxresdefault.jpg)