Size:1 Pack Digital Display Displays the level of carbonmonoxide the unit is sensing. The unit updates this reading every 15 seconds Protect your family from the dangers of carbon monoxide (CO)exposure with the Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm withBattery Backup and Digital Display. The Nighthawk is an easy-to-install unitthat provides reliable protection against the dangers of CO. It features adigital display that shows CO levels in parts per million allowing you to seeif, how, and when levels change.KN-COPP-3 NighthawkCarbon Monoxide AlarmAt aGlance:Plug-in unit with battery backup and digital display that shows COlevelLevel button displays the peak CO level recorded by the alarm since itwas last resetLoud alarm pattern sounds when unit detects elevated COlevelsDirect-plug, 6-foot power cord, and table top mounting options.Five-yearlimited warrantyThis discreet alarm is designed to fit into any standard A/Coutlet in your house.View larger.The easy-read digital display updates every15 seconds to indicate any abrupt changes or alarming trends in CO levels.View larger.Advanced Technology in an Easy-to-Install, Plug-In DesignDesignedfor home use, the Kidde KN-COPP-3 Nighthawk is a UL-listed, A/C-powered, plug-in CO alarm that utilizes sophisticated electronic components and sensortechnology to protect you and your family from the dangers of CO. It plugsdirectly into a standard A/C outlet and includes a 9-volt battery backup thatprovides continuous monitoring of CO levels–even during power outages.AboutCarbon Monoxide: The Silent KillerThe leading cause of accidental poisoningdeaths in North America, carbon monoxide (CO) is often referred to as thesilent killer because it’s odorless, tasteless, and invisible. Carbon monoxidepoisoning can come about via a number of sources, including everyday items andappliances in your home or office. And because symptoms of CO poisoning mimicthe flu or other common illnesses it can often go undiagnosed.Audible AlarmPattern Alerts you to Elevated CO LevelsWhen placed on every level of yourhome, alarms like the KN-COPP-3 Nighthawk can help protect everyone in thehouse from CO exposure by giving you an unmistakable signal when levels havereached an unhealthy point. If unhealthy levels are detected, the alarm willemit four quick audible beats every five seconds until either levels decreaseor the reset button is pressed.Easy-to-Read Digital Display Shows CO LevelsTheKN-COPP-3 Nighthawk is unique among traditional CO alarms because of itsdigital display. This display clearly shows levels of CO that the unit hasdetected and stored– from 30 to 999 ppm–and it updates every 15 seconds toindicate any abrupt changes or alarming trends. The display also shows thepeak CO level recorded by the alarm since it was last reset or unplugged.LEDShows Sensor StatusWith the KN-COPP-3 Nighthawk, you never have to wonder ifthe sensor is functioning properly. A blinking dot in the lower right-handcorner of the display denotes normal operation, so you can trust that it’sworking. In addition, you can test alarm function by pressing the test/resetbutton at any time to verify that the horn and electric circuitry areoperating properly.Convenient Mounting OptionsThe KN-COPP-3 Nighthawk has alow-profile design that makes it suitable for any room in your home. Thedetector can be plugged into any standard A/C outlet; it’s plug can be snappedinto the back of the unit and can be rotated so the alarm remains vertical,independent of whether the electrical socket is mounted vertically orhorizontally. In addition, the alarm comes with a 6-foot extension cord, sothe unit can be plugged into the wall outlet and then placed on a table orshelf. For the most thorough protection, place an alarm on every level of yourhome.The UL-listed Kidde KN-COPP-3 Nighthawk has a seven-year life and isbacked by a five-year limited warranty.About Kidde: A UTC Fire and SecurityBrandRenowned for global leadership in fire detection and suppression, Kiddeprovides solutions ranging from portable fire extinguishers to advancedindustrial controls such as flame detection and explosion suppression systems.Kidde is a UTC Fire and Security brand, with a history that’s rich withinnovations, from the patent of the Chubb Detector Lock in 1818 to thedevelopment of the world’s first wireless networked smoke detectors in2004.What’s in the BoxKidde KN-COPP-3 Nighthawk CO Alarm, 9-volt battery,mounting hardware, and installation guide.Keep your family safe by placingalarms and extinguishers in each area of the house, and by having a fireescape plan. Click here for a detailed image. See all Product description