Kidde KN-COPP-B-LP Nighthawk Battery CO Alarm Review (4.2/5) | WC Safety
Verdict: 4.2/5. The Kidde KN-COPP-B-LP is the Nighthawk-branded low-profile battery plug-in CO alarm — same electrochemical sensor and digital display as the standard KN-COPP-B in a slimmer housing for tighter outlet clearance situations.
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