I was setting these up for persons-with-disabilities in 1987; had one of my own doing all kinda cool stuff until lighting took it out in 2003.

This guy didn't mention the half of what it could do; you could can program its macros to do anything via its motion/sound detection, alarm system or a phone call.

Never forget the Amiga1000 days at UK and this -

did need duo-mics for noise cancelation. lol And dang ifit didn't have an optional seperate RAM Pack besides battery-backuk to store all saved programming - which btw had to be non-volitile memory... hmmm

http://kevinrye.net/files/vintage_mastervoice_series_ii.php

This is nothing compared to my Ahnafield equipped van, has more micro-switches/slaves and relays than you can shake-a-stick at...

Dish - you know thos smart meters can tell on you don't you....

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