Product Description

Item #: KID21006137. AC/DC Plug-in Carbon Monoxide Alarm plugs directly into AC wall outlet. 9V battery backup included. Carbon Monoxide Alarm goes into alarm mode when removed from outlet to deter tampering. Offers a seven-year life.
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Product Details

• Amazon Sales Rank: #4189 in Home Improvement
• Color: WHITE
• Brand: Kidde
• Model: KN-COB-LCB-A
• Number of items: 1
• Dimensions: 11.25" h x 7.50" w x 2.50" l, 1.50 pounds

Features

• 9-volt battery backup provides continuous protection
• Loud 85db alerts you of deadly CO gas
• Includes tamper-resistant feature
• The Low Battery Hush silences low battery chirp warning up to 12-hours to maintain protection
• UL Approved

From the Manufacturer
Kidde Carbon Monoxide Alarm AC Powered, Plug-In with battery backup. This unit plugs directly into your home's standard wall outlet making installation quick and easy. The 9V battery back up provides continuous protection even during power outages.

Customer Reviews

Kidde CO detector is wonderful
Easy to use, "it just works". With battery backup, no worries. I bought 4 (including gifts for my in-laws). All are great.

Battery Backup is Great
There's lots of Carbon Monoxide detectors out there. I bought this one because it has battery backup - keeps working if power fails.

Unit died after 5 months
After owning for only 5 months, the alarm started buzzing constantly. The only way to stop it was to remove the batteries. According to the owners manual this means the device has malfunctioned and must be sent to Kidde for replacement. Hopefully they will exchange the unit without the original proof of purchase. It is very disappointing when a device with a 5 year warranty dies after 5 months especially when it is meant to save your life. I would recommend buying a more reliable device.