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SwitchBot Meter Pro CO2
SwitchBot CO2 Detector, Air Quality Monitor Indoor, CO2 Monitor for CO2/TEMP/Humidity, Portable Carbon Dioxide Detector for Home/Car/Office/Greenhouse
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A compact NDIR CO2 monitor reading 400–9999 ppm, with a 92 mm screen that also shows temperature, humidity, time, date and a comfort level. Alerts come by sound, on-screen and through the app (the app requires a SwitchBot Hub). It runs on 2 AA batteries or USB-C, and at 0.15 kg with a wall mount and bracket, it is a budget-friendly pick for vans with an existing SwitchBot setup.
- Price
- $59.48
- Brand
- SwitchBot
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.
How it compares
Compared with the other carbon dioxide detectors on this site that list each value:
- Width 3.11 in.: higher than 72% of 18 others
- Width 79 mm: higher than 72% of 18 others
- Depth/Height 0.98 in.: lower than 88% of 18 others
- Depth/Height 25 mm: lower than 83% of 18 others
Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.
- Model
- Meter Pro CO2
- Manufacturer page
- Link
Detection capabilities
- Gases detected
- CO2
- Max. CO2 detection
- 9,999 ppm
- Min. CO2 detection
- 400 ppm
- Accuracy
- ±(50 ppm + 5%)
- Temperature & humidity readout
- Yes
- Sensor type
- NDIR
- Data logging
- Yes
Alarms
- Alarm types
- Sound, screen and app notifications
Physical Attributes
- Weight
- 0.34 lbs
- Weight
- 0.15 kg
- Length
- 3.62 in.
- Length
- 92 mm
- Width
- 3.11 in.
- Width
- 79 mm
- Depth/Height
- 0.98 in.
- Depth/Height
- 25 mm
Power
- Power sources
- 2 AA alkaline batteries or 5V 1A USB-C
- DC input voltage
- 5V
Charging
- Charging port
- USB-C
Core specs
- Battery chemistry
- Alkaline (2 AA)
More specifications
- Warranty
- 1 Year
Features
- 5-in-1 Multi-Functional Display Screen: SwitchBot Meter Pro CO2 features a 92-millimeter large screen that simultaneously displays CO2 levels, temperature & humidity, time, date, and comfort level. This indoor air quality monitor makes it easy to monitor your environment and decide when to ventilate for a healthier living space.
- High Precision Sensor: Built with Swiss-made NDIR sensors, this CO2 monitor accurately monitors air quality by measuring CO2 levels every 1 second with an accuracy of ±50 ppm and a range of 400-9000 ppm. Its high sensitivity and stability ensure rapid and precise air quality feedback.
- 3 Alert Methods: Customize CO2, temperature, and humidity range with trigger alerts. When limits are exceeded, you'll be notified via sound audible alerts, visual screen alerts, and app notifications (SwitchBot Hub required). With this air quality monitor, you can continuously and effectively track air quality.
- Portable and Durable: Our air quality detector measures 92mm x 79mm x 25mm and weighs just 154g. It has a built-in battery with up to 12 months of life and a low battery warnings. Features wall-mount holes and an adjustable bracket for versatile placement in any environment.
- Sleek Design for Any Space: Featuring a modern, minimalist look, SwitchBot Meter Pro CO2 blends effortlessly into your living room, bedroom, or greenhouse. Also perfect for offices, gyms, classrooms, factories, or hotels, its versatile design ensures it fits seamlessly while keeping you informed about air quality.
Similar products from other brands
Chosen for their similar specifications and price.
 This productSwitchBot Meter Pro CO2 |
 qingping CGP22C |
 Airthings 322 |
 Inkbird IAM-T1 |
|
|---|---|---|---|---|
| Price | $59.48 | $69.99 | $119.00 | $129.99 |
| Model | Meter Pro CO2 | CGP22C | 322 | IAM-T1 |
| Gases detected | CO2 | CO2 | CO2 and VOC | CO2 |
| Max. CO2 detection (ppm) | 9,999 | 9,999 | 5,000 | 9,999 |
| Min. CO2 detection (ppm) | 400 | 400 | 400 | 0 |
| Accuracy | ±(50 ppm + 5%) | – | ±50 ppm ±5% | ±(30 ppm + 3% of reading) |
| Resolution (ppm) | – | – | – | 1 |
| Sampling interval (s) | – | – | 300 | 60 |
| Temperature & humidity readout | Yes | Yes | Yes | Yes |
| Sensor type | NDIR | NDIR | NDIR | NDIR (Senseair) |
| Calibration method | – | – | Automatic baseline calibration, updated weekly | Built-in auto-calibration; manual calibration via app |
| Data logging | Yes | Yes | – | Yes |
| High alarm level (ppm) | – | – | – | 1,400 |
| Adjustable alarm levels | – | – | – | Yes |
| Alarm types | Sound, screen and app notifications | Sound (buzzer), app/email/SMS notifications | – | Buzzer sound and on-screen alarm |
| Weight (lbs) | 0.34 | 0.28 | 0.22 | 0.30 |
| Weight (kg) | 0.15 | 0.13 | 0.10 | 0.14 |
| Length (in.) | 3.62 | 3.03 | 3.15 | 2.95 |
| Length (mm) | 92 | 77 | 80 | 75 |
| Width (in.) | 3.11 | 3.03 | 3.15 | 3.15 |
| Width (mm) | 79 | 77 | 80 | 80 |
| Depth/Height (in.) | 0.98 | 1.10 | 1.06 | 1.30 |
| Depth/Height (mm) | 25 | 28 | 27 | 33 |
| Display type | – | – | – | 2.13-inch electronic ink (e-ink) display |
| Power sources | 2 AA alkaline batteries or 5V 1A USB-C | – | 2 AA batteries | 2 x AA batteries |
| DC input voltage | 5V | 5V | – | 3V |
| Charging port | USB-C | USB-C | – | – |
| Battery capacity (mAh) | – | 2,600 | – | – |
| Battery chemistry | Alkaline (2 AA) | Lithium | AA alkaline | Alkaline (2 x AA) |
| Operating temp min (℉) | – | – | 32 | 32 |
| Operating temp max (℉) | – | – | 113 | 122 |
| Operating temp min (℃) | – | – | 0 | 0 |
| Operating temp max (℃) | – | – | 45 | 50 |
| Max operating humidity (% RH) | – | – | 95 | – |
| Certifications summary | – | – | FCC Part 15 (FCC ID 2APPT-322), IC 23900-322 | FCC Part 15 Class B statement |
| FCC Part 15 compliant | – | – | Yes | Yes |
| Warranty | 1 Year | – | 5 Years with Registration | 1 Year |
Data sources
Data for this product compiled from these sources:
Specifications last updated Oct 20, 2026.