Get everything about best motion sensor security cameras, including motion detector types, how they work, best picks, how to install motion detector cameras, etc.
3. Mount the sensor Passive infrared sensors are lightweight, so you won't have to worry about drywall anchors or studs. A standard screwdriver should do the trick, but an electric screwdriver or drill can speed up the process. Most motion detectors have a mounting bracket that pops off the...
During our research, we found that the Arlo Pro 4 is the best motion sensor security camera overall in 2025. We also found a budget pick that’s almost as good.