$89.99

Don't be surprised by unexpected visitors. This wireless motion detector transmits a signal up to one half of a mile to let you know when someone is approaching. The sensor detects motion up to 30 feet away with wide 120 degrees coverage and transmits a signal to the receiver in your home or office. cwa2000 cwa-2000 chamberlain. motion detector 49.151 490.151 49.0151 490.0151 49-151 490-151 49-0151 490-0151 49151 490151 490151 4900151