Costco! First Alert Carbon Monoxide Alarm 10 year battery! $34!!!

Costco has carbon monoxide alarm, at $34 it seems kind of pricey however i need to replace the two in my house. I found that Amazon has a different variety for about the same price:

Products used in this video:
Samsung S8 Unlocked Smart Phone:
Microphone: Blue Yeti USB Microphone – Silver

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