We recently bought a second home and installed the eufy S4 4-cam kit around the perimeter of the house. Of course this let's us see what's going on in the neighborhood but it also let's us observe the pool cleaning, lawn crew, and deliveries. The fixed camera on each S4 points one direction while the default setting of the movable camera points the opposite direction, allowing for full views all around the perimeter. We have it set to only track humans in view, at which point the movable camera turns and zooms in on the subject. Of course we can move the cameras remotely any time we need to see something. The video clarity is excellent. We love our eufy system!