Refresh expired smoke and carbon monoxide detectors with meross' interconnected models at $19 each (56% off)

Clip the on-page 50% off coupon

Some folks aren’t aware that smoke and carbon monoxide detectors have a 7- to 10-year lifespan. So if you think the ones in your home may be approaching or past that timeframe, now is a great time to get them replaced. Up to 12 of these can be paired using built-in RF technology. If you plan to buy more than one, purchase one at a time and the on-page coupon should keep reappearing.

There are two of these on my dashboard.

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