Brinks Passive Infrared Sensor - 7296W - Pictures / Teardown

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I picked up this PIR detector at Wal-Mart in the hardware departments closeout rack, they were selling them for $7 (from $14), which is way cheaper than you can get them online, and this includes relays, power supply, etc!
Image Notes
1. Ingredients to build a PIR switched outlet, missing box cover. . .
2. Back side, not showing detector
3. Cheapest "Waterproof" knobs ever, they just hotglued rubber sheets in there and stuck the knobs through it.
4. Front side, showing PIR detector and photodetector I'm guess is suppose to keep it from turning on when still light out, that feature doesn't seem to work very well through
5. Box!