After! The finished Dog in all its canine splendor
The mechanical design of this product was tricky. Which is a prime example of the literary device of understatement. To give you an idea: when I first penned the design, it wasn't supposed to have batteries...or more than two control knobs. Then suddenly it needed 6 D-cells, 2 knobs, 2 sliders, and 2 tacts. And the aesthetics were locked in. Go.
Before!
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Dog!

This alarm uses a microwave antenna to detect movement through wall and doors. The dog will then bark ferociously! Or, chirp melodiously, whatever fits your application. Don't miss the before shot!

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Mark Goldy
Product Designer and Engineer Scottsdale, AZ