Under $50
Hembisen 2-in-1 Gas & CO Detector Plug-In
A plug-in gas and CO detector that requires no batteries or Wi-Fi, offering simple, reliable protection.
Hembisen 5-in-1 Natural Gas & CO Alarm (AC-Plug-In)
A plug-and-play safety essential that detects both natural gas and carbon monoxide in one compact AC unit.
$50 - $100
Hembisen 3-Pack Gas & CO Detector
A solid 3-pack of gas and CO detectors with no standout features, just essential safety coverage for basic home protection.
Hembisen 4-in-1 Gas & CO Detector (3-Pack)
A 3-pack of gas and CO detectors with no listed features—buy only if you enjoy guessing whether your home is safe.
Hembisen 2-in-1 Gas & CO Detector (3-Pack)
Battery-powered 2-in-1 gas and CO detector with a 10-year sensor life for hassle-free safety.
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