Nomad Gear Finder
Kidde COB10
Kidde Carbon Monoxide Detector, 10-Year Battery-Powered, COB10 | No Low Battery Chirps, LED Status Lights, Loud 85 dB Alarm, Ideal for Homes and Apartments, 5th Edition
A home-style CO alarm with an electrochemical sensor, 85 dB horn and sealed lithium battery that needs no replacement or low-battery chirps for its 10-year life. It is UL 2034 5th Edition and ETL listed, weighs 0.28 lbs and can sit on a table or be wall mounted. Its 40 to 100 ℉ operating range is narrower than most portable meters, so it suits a heated van or camper cabin.
- Alarm loudness
- 85 dB
- Weight
- 0.28 lbs
- Width
- 5.14 in.
- Depth/Height
- 1.40 in.
- Brand
- Kidde
Rankings in the carbon monoxide detectors Category
How does this product compare with others in Nomad Gear Finder's carbon monoxide detectors category?
- Width 5.14 in. Higher than 96% of 30 others
- Depth/Height 1.40 in. Lower than 73% of 30 others
- Operating temp min 40 ℉ 4 ℃ Higher than 76% of 17 others
- Operating temp max 100 ℉ 38 ℃ Lower than 78% of 19 others
Compare this product with close matches Compare with all carbon monoxide detectors
Videos for this product
We searched YouTube for reviews, installation guides, and manufacturer videos for Kidde COB10. Note that many product videos are sponsored by manufacturers, so keep in mind that some reviews may be biased in favor of the product. Negative videos are less likely to get made and posted.
Search YouTube for more Kidde COB10 videos
About this video
Videos may not be an exact match for this product, or may contain inaccurate information. Check product details before purchase, and see our About page for more information.
Videos are from YouTube; videos load from YouTube when you press Play.
Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase; see our About page for more information.
Detection capabilities
- Gases detected
- CO
- Sensor type
- Electrochemical
Alarms
- Alarm loudness
- 85 dB
Charging
- Charging port
- None
Core specs
- Battery chemistry
- Lithium
Physical Attributes
- Weight
- 0.28 lbs 0.13 kg
- Width
- 5.14 in.
- Depth/Height
- 1.40 in.
Operating Temp Range
- Operating temp min
- 40 ℉ 4 ℃
- Operating temp max
- 100 ℉ 38 ℃
Warranty & Certification
- Warranty
- 10 Years
- Certifications summary
- ETL Listed; UL 2034 5th Edition; NFPA 72; NFPA 101; FHA; HUD; CSFM
- UL 2034 listed
- Yes
Features
Details from the Kidde COB10 Amazon listing:
- DETECTS CARBON MONOXIDE: Model COB10 monitors CO and sounds a loud 85-decibel alarm to signal evacuation to fresh air; LED warning light indicates hazard; test/hush button allows quick checks or temporary silencing; replaces model C3010
- 10-YEAR BATTERY: Maintenance-free built-in 10-year battery helps save up to $40 over the life of the CO alarm in battery replacements; no low battery chirps to help you sleep peacefully at night; get replacement reminders after 10 years
- FLEXIBLE PLACEMENT OPTIONS: Install on the wall or set on a table or countertop for convenient carbon monoxide detection where you need it most; mounting hardware included
- TESTED & TRUSTED: This carbon monoxide alarm is rigorously tested to meet UL 2034, 5th Edition standards, and is ETL Listed; includes a 10-year limited warranty on alarm, not a battery performance claim
- BUILT FOR EVERY HOUSEHOLD: Designed to help provide dependable carbon monoxide monitoring for everyday residential use; supports renters, homeowners, and pet owners seeking added awareness and detection from CO hazards in the home
Similar products from other brands
Chosen for their similar specs and price:
 This productKidde COB10 |
 HEIMAN C1-S |
 First Alert CO710 |
 FORENSICS DETECTORS FD FD-101-CO |
|
|---|---|---|---|---|
| Price | $43.97 | $29.99 | $44.27 | $99.00 |
| Model | COB10 | C1-S | CO710 | FD-101-CO |
| Popular brand | Yes | No | Yes | Yes |
| Min. CO detection ppm | – | – | – | 0 |
| Max. CO detection ppm | – | – | – | 1,000 |
| Resolution ppm | – | – | – | 1 |
| Gases detected | CO | CO | CO | CO |
| Response time (T90) s | – | – | – | 60 |
| Accuracy | – | – | – | ±5% F.S. |
| Sensor type | Electrochemical | Electrochemical | Electrochemical | Electrochemical |
| Sensor life years | – | 10.0 | 10.0 | 2.0 |
| Built-in pump | – | – | – | No |
| Low alarm level ppm | – | – | – | 50 |
| High alarm level ppm | – | – | – | 150 |
| Alarm loudness dB | 85 | 85 | 85 | 90 |
| Adjustable alarm levels | – | – | – | Yes |
| TWA / STEL alarms | – | – | – | Yes |
| Battery runtime hours | – | – | – | 17,520 |
| Charging port | None | None | None | None |
| Battery chemistry | Lithium | Lithium | Lithium (non-replaceable) | Lithium (non-replaceable) |
| Weight lbs | 0.28 | 0.23 | 0.50 | 0.25 |
| Weight kg | 0.13 | 0.10 | 0.23 | 0.11 |
| Length in. | – | 2.76 | 0.94 | 3.60 |
| Length mm | – | 70 | 24 | 91 |
| Width in. | 5.14 | 2.76 | 4.75 | 2.10 |
| Width mm | – | 70 | 121 | 53 |
| Depth/Height in. | 1.40 | 1.46 | 2.63 | 1.30 |
| Depth/Height mm | – | 37 | 67 | 33 |
| IP rating | – | – | – | IP67 |
| Operating temp min ℉ | 40 | 40 | – | 32 |
| Operating temp max ℉ | 100 | 100 | – | 122 |
| Operating temp min ℃ | 4 | 4 | – | 0 |
| Operating temp max ℃ | 38 | 38 | – | 50 |
| Warranty | 10 Years | – | 10 Years | 1 Year |
| Certifications summary | ETL Listed; UL 2034 5th Edition; NFPA 72; NFPA 101; FHA; HUD; CSFM | ETL, UL 2034 5th Edition, CSFM | UL 2034 | CE |
| NIST traceable calibration | – | – | – | Yes |
| UL 2034 listed | Yes | Yes | Yes | – |
Data sources
Data for this product compiled from these sources:
- https://brand.kidde.com/m/10712bc721ccef25/original/UG_CO-DC_En.pdf
- https://brand.kidde.com/m/20ffb7a8ddc1715d/original/PDS_COB10.pdf
- https://www.kidde.com/products/carbon-monoxide-alarms/carbon-monoxide-alarm-10-year-battery-powered-cob10
- https://s3.amazonaws.com/s3.supplyhouse.com/product_files/Kidde_21033775_Brochure_Rev2026.pdf
Prices from Amazon as of . Product prices and availability are accurate as of the date and time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of the product. As an Amazon Associate I earn from qualifying purchases.
Specifications last updated Nov 4, 2026.