He hadn't tested how far away he could be before his connection with the "Mind Beacon" would break. This journey provided a perfect chance to find out.
As for whether or not to place a "surveillance camera" in the cabin...
After considering it, Noland decided not to.
The lady housekeeper's daily routine was on the first floor, occasionally coming to the second floor to clean.
Setting up a "CCTV camera" in the cabin seemed to somewhat infringe on the housekeeper's privacy...
Guided by the principle of not peeking without permission, Noland dismissed the idea of setting up a "camera" in the room.
...
...
The next day, in the early morning.
Noland arrived at the Cat Society Shop in Sector 8 and went to the backyard to board the magic car driven by Philia.