How is the unit mounted? Should it be near the ceiling or near the floor?

After spending 40+ years in the car business I have this to say: (everyone seems to be telling what they did or didn't do for a living 😉) I have that if you mount them from one foot above the floor, to one below the ceiling, or even on it..it is still better to have one than NOT to have one! No matter where it is!! It's like ANY tester or alarm, if you don't have one..that's when it will get you killed. Either way, most people will end up mounting them where they are out of sight. No matter what the papers or anyone tells you. Put at least one on each floor..and pray you never need them. Simple as that! Oh..the 40+ years in the car business Taught me this!l, Any idea how much CO is put out into the air of a car dealership over the course of each day, working on from 20-200 cars a day? A LOT! So again, mount it anyplace..but just MOUNT it! Good luck to you all. ;)

There is no installation required. Just put in the batteries as shown and it's ready to go. I move mine from room to room. You can mount it on a wall if you want.

Can the alarm be run with rechargeable NiMH batteries?

The User's Guide for this product, and stamped on the item itself, are model numbers of alkalines, (Duracell MN1500 or MX1500; Energizer E91, etc). However, it does say "Use of a different battery may have a detrimental effect on the alarm operation." Thank you for calling my attention to this, because the rechargeables I use are NiMH. The item comes with batteries.

This is not a plug-in. Operates on 3 AA batteries and acan be easily mounted on wall. Love it.

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🚨 Stay one step ahead of danger with Kidde’s smart CO detector!

INSTANT ALERTS - Loud 85-decibel alarm with bright red LED for immediate danger notification
POWER OUTAGE PROOF - Battery backup ensures continuous protection even during blackouts
SMART MEMORY RECALL - Peak Level Memory tracks last CO detection or test for peace of mind
UNMATCHED SAFETY ASSURANCE - Electrochemical sensor technology for precise CO detection
EFFORTLESS INSTALLATION USE - No wiring needed, portable design with easy test-hush button

The Kidde KN-COPP-B-LPM Carbon Monoxide Detector combines advanced electrochemical sensing with a 10-year battery backup, digital display, and loud 85dB alarm. Designed for easy installation without wiring, it features peak level memory and LED indicators to keep your home safe and informed, backed by a decade-long limited warranty.

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Manufacturer	Kidde Safety
Part number	21008873
Item Weight	263 g
Batteries	3 AA batteries required. (included)
Item model number	KN-COPP-B-LPM
Size	KN-COPP-B-LPM
Color	Detector
Style	Modern
Pattern	Detector
Power source type	Battery Powered
Voltage	3 Volts
Item Package Quantity	1
Cutting Diameter	11.4 Centimeters
Special Features	Portable
Included components	Kidde Battery Operated Carbon Monoxide Alarm with Digital Display KN-Copp-B-LPM
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Item diameter	11.4 Centimeters

KiddeCarbon Monoxide Detector with Battery Backup, Digital Display & LED Lights, CO Alarm, KN-COPP-B-LPM, 10-Year, KN-COPP-B-LPM

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