Kidde Nighthawk™ AC Plug-in Operated Carbon Monoxide Alarm with Digital Display KN-COPP-3 Various square and hex shapes

square and hex shapes

White China bristle with square construction

Longer run-time and fewer battery changes maintains momentum while you're working and prevents unscheduled breaks

ASTM F1807

Base and countersunk screw holes

Kidde Nighthawk™ AC Plug-in Operated Carbon Monoxide Alarm with Digital Display KN-COPP-3 Various square and hex shapesThe Kidde KN COPP 3 AC powered, plug in carbon monoxide alarm utilizes sophisticated electronic components and unmatched sensor technology to protect you and your family from the dangers of CO. The KN COPP 3 includes a 9V battery backup that provides continuous monitoring of CO levels, even during power outages, when AC only units are not providing protection. The KN COPP 3 will detect and store measured data of concentrated CO levels as low as 11 and