Negative Positive
Title: buyer beware!
Review: rw-300R - CHAMBERLAIN driveway sensor. Unfortunately, there is no option to give "no stars," which would be more valid. For my unit, the sensor's detection range is <15 feet. The range of transmission of the sensor to the receiver (base unit) is ~70 feet PROVIDED that both are outdoors. Transmission to the receiver from the sensor could not be established if the receiver was in the house, where, of course, you would want it to be. I followed all directions, I already thououghly understand how PIR sensors work and how to optimize them, batteries were new etc. This is all too similar to the Chamberlain long range garage door opener I once bought which only worked if I transmitted from inside the garage. In my opinion, this is a very disappointing item! Unit will be returned.
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