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Title: The best product of its type
Review: I've purchased other motion sensor chime alert devices, and this seems to be the best of the bunch, although it's also the most expensive. The system is very configurable, with several volume settings and different chime sounds ("ding-dong" etc, not irritating buzzing or beeps). The receiver also has a display which shows which sensors were recently triggered.The sensors are rugged and can be configured to detect motion in a wide fan pattern, or in a narrow, long-range pattern. I've had two sensors set up in my backyard for over 2 years now, and they're still working on the original batteries, in the heat and cold.If you want a cheaper, more bare-bones setup, you might also consider the RWA300R Reporter, which is also reliable but not quite as fancy as this.
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