Nomad Gear Finder
My Saved Products 
First Alert CO410
First Alert Battery Carbon Monoxide Alarm with Digital Display | CO410
In Stock
- Price
- $39.95
- Brand
- First Alert
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.
Ranking within Category
Comparing this product to others on Nomad Gear Finder (in the carbon monoxide detectors category with a value specified):
- This product's Weight is higher than 83% of 31 others: 0.70 lbs (0.32 kg)
- This product's Length is higher than 76% of 30 others: 5.00 in. (127 mm)
- This product's Width is higher than 77% of 31 others: 3.40 in. (86 mm)
Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.
Detection capabilities
- Sensor type
- Electrochemical
Alarms
- Alarm loudness
- 85 dB
Physical Attributes
- Weight
- 0.70 lbs
- Weight
- 0.32 kg
- Length
- 5.00 in.
- Length
- 127 mm
- Width
- 3.40 in.
- Width
- 86 mm
- Depth/Height
- 1.50 in.
- Depth/Height
- 38 mm
More specifications
- Warranty
- 7 Years
Features
Details from the First Alert CO410 Amazon listing:
- Keep your family safe with this easy to use digital display, battery operated carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
- Features an advanced electrochemical carbon monoxide sensor; Peak Level feature displays the highest concentration of carbon monoxide measured
- A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
- To ensure complete protection make sure to place one on each level of your home and in each bedroom
- 7 year limited warranty; equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety
- All First Alert CO alarms are rigorously tested to meet UL standards
- First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)
Similar products from other brands
Chosen for their similar specs and price:
 This productFirst Alert CO410 |
 HAOKESITE PLT840-4 |
 TOPTES Guard-101 |
 FORENSICS DETECTORS FD FD-4A |
|
|---|---|---|---|---|
| Price | $39.95 | $102.99 | $99.99 | $215.45 |
| Model | CO410 | PLT840-4 | Guard-101 | FD-4A |
| Popular brand | – | No | – | – |
| Min. CO detection (ppm) | – | – | 0 | 0 |
| Max. CO detection (ppm) | – | – | 1,000 | 1,000 |
| Resolution (ppm) | – | – | 1 | 1 |
| Gases detected | – | – | CO, H2S, O2 and LEL (combustible gas) | CO, H2S, O2 and LEL (combustible gas) |
| Response time (T90) (s) | – | – | 60 | 30 |
| Accuracy | – | – | CO ±10% | ±5% F.S. |
| Sensor type | Electrochemical | – | Electrochemical | Electrochemical |
| Sensor life (years) | – | – | 2.0 | 2.0 |
| Built-in pump | – | – | No | No |
| Low alarm level (ppm) | – | – | 50 | – |
| High alarm level (ppm) | – | – | 200 | – |
| Alarm loudness (dB) | 85 | – | – | – |
| Adjustable alarm levels | – | – | Yes | Yes |
| Charging time (hours) | – | – | 8.0 | – |
| Battery runtime (hours) | – | – | 12 | 20 |
| Battery capacity (mAh) | – | – | 2,000 | 2,000 |
| Charging port | – | – | – | Micro-USB |
| Battery chemistry | – | – | Lithium (non-replaceable) | Lithium-ion |
| Weight (lbs) | 0.70 | 0.47 | 0.44 | 0.51 |
| Weight (kg) | 0.32 | 0.22 | 0.20 | 0.23 |
| Length (in.) | 5.00 | 5.51 | 5.12 | 5.12 |
| Length (mm) | 127 | 140 | 130 | 130 |
| Width (in.) | 3.40 | 2.87 | 2.56 | 2.64 |
| Width (mm) | 86 | 73 | 65 | 67 |
| Depth/Height (in.) | 1.50 | 1.26 | 1.77 | 1.18 |
| Depth/Height (mm) | 38 | 32 | 45 | 30 |
| Operating temp min (℉) | – | – | -4 | 0 |
| Operating temp max (℉) | – | – | 122 | 122 |
| Operating temp min (℃) | – | – | -20 | -18 |
| Operating temp max (℃) | – | – | 50 | 50 |
| NIST traceable calibration | – | – | – | Yes |
| ATEX / IECEx certified | – | – | – | Yes |
| Certifications summary | – | – | CE, UKCA, RoHS, FCC, Ex ib IIB T3 Gb mark | ATEX |
| Warranty | 7 Years | – | 3 Years | 1 Year |
Data sources
Data for this product compiled from these sources:
Specifications last updated Oct 20, 2026.