Chamberlain CWPIR Wireless Motion Alert Add On Sensor

from Heather

I live some where between 1/4 to 1/2 mile from my entrance, it works! I now know when some one turns onto my drive. I have already recommended this product to a friend and I will recommend it to any one. Thank you Walmart for low prices, because another site wanted way more.

from HomeLandSecured

We purchased two additional sensors for our unit. This device is great for detecting movement. What is even better is it works so far away. The unit is in our house and the sensor is over 450 feet away. WOW! It's a great way to add to our security system. Between our security cameras and the moti...

from Papabear

Bought main unit and extra sensor, liked it so much I order four more sensors two days later! ( total of 6 sensors covers the whole property) Now my family sleeps better knowing there's nothing outside! Loud enough to hear anywhere in the house and will wake me up no problem! ( twice as loud as m...

from MrEd

This was an add on to our existing system for long driveway monitor. Easy to install and works great. Gives different "beep" count so you know exact location of vehicle coming up driveway.

from 1MEMESHOPPER

I have the Chamberlain Wireless System and bought an extra,one for front door,and one for back door.I bought this 3rd sensor to put in my driveway,and I am happy with this product!