Kidde Carbon Monoxide Detector KN-COB-LP2
- Battery powered, 2-AA alkaline batteries
- Electrochemical sensor for carbon monoxide
- 85 decibel alarm, red alarm LED, green power LED
- Test-hush button and low battery chirp
- 10-year limited warranty, UL certified
- 1.5 x 4.5 x 2.75 inches, 8 oz
Updated 23 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A battery-powered carbon monoxide alarm that mounts on a wall or stands on a table and works through a power outage. It detects carbon monoxide only, not smoke or fire.
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ASIN: B004Y6V6K4Model: KN-COB-LP2
Overview
Outside a bedroom or on each level of a home is where a battery-powered alarm like the Kidde KN-COB-LP2 goes. An electrochemical sensor watches for carbon monoxide, and the unit mounts on a wall with the supplied hardware or stands on a tabletop.
No wiring and a slide-out battery door make setup straightforward, and the alarm works through a power failure. The limitation is scope: it covers carbon monoxide only, so a separate smoke alarm is still needed.
Who it's for
Households and travelers who want portable carbon monoxide coverage without wiring can mount it or stand it on a table. Buyers who want smoke detection too, or a plug-in model with display, should look at other alarms.
Pros and cons
- No wiring needed
- Works during power failure
- Long limited warranty
- Detects carbon monoxide only
- Batteries not confirmed as included
- No digital display listed
Performance notes
The electrochemical sensor reacts to carbon monoxide and triggers the horn and the red indicator when the level is reached. A green indicator shows the unit has power, and the test-hush button checks the battery and silences the low battery chirp for a time. A safety feature makes it hard to close the battery door without batteries.
Specifications
| Brand | Kidde |
|---|---|
| Model | KN-COB-LP2 |
| Dimensions & fit | |
| Item Dimensions D X W X H | 1.5"D x 4.5"W x 2.75"H |
| Item Weight | 8 ounces |
| Capacity & performance | |
| Upper Temperature Rating | 100 °F |
| Power & efficiency | |
| Power Source | Battery Powered |
| Construction & materials | |
| Color | White |
| Included components | |
| Unit Count | 1 Count |
| Warranty & support | |
| Manufacturer Warranty Description | 10-year limited warranty |
| Other details | |
| BuiltIn Media | mounting hardware (screws, drywall anchors), user manual |
| Item Type Name | Carbon Monoxide Detector |
| Mfr Part Number | KN-COB-LP2 9CO5-LP2 |
| Operating Humidity | 10%-95% relative humidity non-condensing |
| Product Style | Clamshell Packaging |
| Sensor Type | Electrochemical |
Frequently asked questions
Is the Kidde KN-COB-LP2 a smoke alarm too?
No. It detects carbon monoxide only. The description recommends installing a smoke detector and a carbon monoxide detector on every level and near bedrooms.
Does the Kidde KN-COB-LP2 plug in or need wiring?
No. It runs on 2-AA alkaline batteries in the back of the unit, with no wiring.
Are batteries included with the Kidde KN-COB-LP2?
The listing says it is powered by 2-AA alkaline batteries but the included items are mounting hardware and a manual, so batteries are not confirmed.
How do I silence the low battery chirp?
The test-hush button tests the battery and temporarily silences the low battery chirp.