Wireless Motion sensors are very effective in home security. You can monitor an entire room with just one sensor, and they are completely wireless, which makes them very easy to install. Motion sensors are becoming more and more popular around the home to deter would be criminals because they are very hard to avoid. Now we also feature PET friendly motion sensors that are set to either 40lbs or 80 lbs. One of the definite keys to home security. Wireless motion sensors will detect any unwanted movement in your home.