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Inkbird INK-CO2W
INKBIRD WiFi Air Quality Monitor Indoor Smart NDIR Sensor Detector for CO2 | Battery Powered and Data Logger, Detector for Carbon Dioxide & Temperature & Humidity | for Home, Office, Grow Tent, Cellar
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This Wi-Fi connected CO2 monitor measures 400–5000 ppm, with temperature and humidity on a color screen and data logging through the app. Alarm levels are adjustable, with app notifications and a default danger threshold of 1500 ppm, and calibration is done manually in fresh air. Wi-Fi alerts without a separate hub are less common here, making it a budget option for rigs with onboard internet.
- Price
- $57.99
- Brand
- Inkbird
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
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.
Detection capabilities
- Gases detected
- CO2
- Max. CO2 detection
- 5,000 ppm
- Min. CO2 detection
- 400 ppm
- Temperature & humidity readout
- Yes
- Calibration method
- Manual calibration in open area (press three buttons together)
- Data logging
- Yes
Alarms
- Adjustable alarm levels
- Yes
- Alarm types
- On-screen alert and app notification
Physical Attributes
- Display type
- Color screen
More specifications
- Warranty
- 1 Year
Features
Details from the Inkbird INK-CO2W Amazon listing:
- 【NOTE】We recommend that when usingAir Quality Monitor for the first time, place Air Quality Monitor in an open and uninhabited environment and manually calibrate it once to avoid inaccurate readings.
- 【Air Quality Monitor】3-in-1 Air Quality Monitor supports basic functions (carbon dioxide, temperature, and humidity monitoring) and also features smart capabilities. The indoor Air Quality Monitor for grow tents is ideal for use in grow rooms, offices, kitchens, schools, kitchens, school cellars, and cars.
- 【HIGH-PRECISION SENSOR】Smart ndir Air Quality Monitor achieves a CO2 measurement accuracy of up to ±5% (range: 400-5000 PPM). This Indoor Air Quality Monitor is easy to read due to a bright LCD screen with large numbers.
- 【SOUND SYSTEM】 Wifi Air Quality Monitor is designed with three concentration levels: normal (400-700 ppm), warning (700-1500 ppm), and danger (1500-5000 ppm). It will automatically sound an sound once the CO2 concentration exceeds 1500 ppm, and you can also set different sound ranges as needed. You will receive an immediate sound if the carbon dioxide concentration exceeds the preset range.
- 【RECHARGEABLE & WALL AMOUNT】You can hang the indoor Air Quality Monitor to the wall for easy viewing, also you can place the CO2 air quality monitor on your office or living room desk.
Similar products from other brands
Chosen for their similar specs and price:
 This productInkbird INK-CO2W |
 ATuMan CF1 |
 INKBIRDPLUS PTH-10C |
 Temtop C1+ |
|
|---|---|---|---|---|
| Price | $57.99 | $59.99 | $42.99 | $42.99 |
| Model | INK-CO2W | CF1 | PTH-10C | C1+ |
| Gases detected | CO2 | CO2 | CO2 | CO2 |
| Max. CO2 detection (ppm) | 5,000 | 5,000 | 5,000 | 5,000 |
| Min. CO2 detection (ppm) | 400 | 400 | 400 | 400 |
| Accuracy | – | – | ±(50ppm + 5%) | ±(40ppm +5%) (400-2500ppm) |
| Resolution (ppm) | – | – | – | 1 |
| Temperature & humidity readout | Yes | Yes | – | Yes |
| Sensor type | – | NDIR | NDIR | – |
| Calibration method | Manual calibration in open area (press three buttons together) | – | Automatic calibration (can be turned off); manual calibration (200-second countdown in fresh air) | Manual fresh-air calibration (about 400 ppm, 200-second countdown) |
| Data logging | Yes | – | – | Yes |
| High alarm level (ppm) | – | – | 1,500 | – |
| Adjustable alarm levels | Yes | – | Yes | – |
| Alarm types | On-screen alert and app notification | – | Sound, color indicator lights | Buzzer (optional) and color-coded CO2 indicator |
| Weight (lbs) | – | 0.46 | 0.31 | 0.24 |
| Weight (kg) | – | 0.21 | 0.14 | 0.11 |
| Length (in.) | – | 1.20 | 2.99 | 3.50 |
| Length (mm) | – | 30 | 76 | 89 |
| Width (in.) | – | 3.50 | 2.76 | 2.70 |
| Width (mm) | – | 89 | 70 | 69 |
| Depth/Height (in.) | – | 3.50 | 1.18 | 0.70 |
| Depth/Height (mm) | – | 89 | 30 | 18 |
| Display type | Color screen | 3.0-inch LED display | Full-color LCD | 3.3-inch segment-code LCD |
| DC input voltage | – | – | 5V-24V | 5V |
| Charging port | – | USB-C | USB-C | – |
| Battery runtime (hours) | – | – | 72 | – |
| Battery capacity (mAh) | – | 2,200 | 1,000 | 800 |
| Battery chemistry | – | – | Lithium-ion polymer | Lithium |
| Operating temp min (℉) | – | – | – | 14 |
| Operating temp max (℉) | – | – | – | 140 |
| Operating temp min (℃) | – | – | – | -10 |
| Operating temp max (℃) | – | – | – | 60 |
| Warranty | 1 Year | – | 1 Year | 1 Year |
Data sources
Data for this product compiled from these sources:
Specifications last updated Oct 20, 2026.