View on Amazon
Humidifier vs dehumidifier
Decide whether your room needs moisture added, moisture removed, or a humidity reading first. Compare tank, runtime, drain, control, and wrong-choice tradeoffs.
Badafaci WiFi Air Quality Meter
If you work from home or have a newborn, the Badafaci WiFi Air Quality Meter helps you breathe easier. It tracks CO2, HCHO, VOC, PM2.5, temperature, and humidity in real time. The three-color display changes from green to yellow to red, so a quick glance tells you when to open a window. In your baby's nursery, the CO2 reading lets you know if the room needs fresh air. Use the TUYA app to check air quality from your desk or while traveling. The USB-rechargeable battery lasts all day, so you can move it from the living room to the garage without hunting for an outlet. No more guessing if the air is stuffy or the VOC levels spiked after cleaning. This meter puts the data you need right in your hand.
Other monitors just show numbers. Badafaci gives you context. If the CO2 hits 1500 ppm, you feel drowsy. Now you know why. The PM2.5 sensor catches dust from cooking or candles. The egg shape sits neatly on a shelf and blends in. It works in temperatures as low as -14°F, so it's fine for an unheated basement or garage workshop. I keep mine on my desk. When the display turns orange, I take a break and crack a window. Helping a child with asthma? The VOC and PM2.5 alerts tell you if the air is triggering symptoms. This is not just a gadget—it's a health tool for your home.
Features
- Smart connectivity: TUYA APP via WiFi
- Accurate CO2 monitoring: NDIR sensor, 400-5000ppm
- Portable egg-shaped design with rechargeable battery
- Wide operating range: -14°F to 122°F
- Multi-parameter detection: CO2 HCHO VOC PM2.5
General specs
- Brand: Badafaci
- Seller: Amazon
- ID: B0GD6KP6CL
- Shape: Egg shape
- Display Type: Three-color display
- Power Supply: 800mAh rechargeable battery
- Sampling Speed: 1.5 seconds
- Usage Scenarios: Home, Office, School, Travel
- Connectivity Smart: TUYA APP, WiFi
- Monitored Parameters: CO2, HCHO, VOC, PM2.5, Temperature, Humidity
- Co2 Measurement Range: 400-5000 ppm
- Co2 Detection Technology: NDIR infrared
- Operating Temperature Range: -14°F to 122°F
- First listed by seller: 5/20/26
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
?
Top live offer is the offer currently shown first for this Amazon listing. It may differ from the lowest available price.
FBA means the order is fulfilled by Amazon, even when the seller is a third-party merchant.
Shippable means the offer is listed as available for delivery on Amazon.
New, Used and Refurbished describe the item condition shown for that Amazon offer.
Top live offer
$39.05
Free shipping
New
Third-party seller
Shippable
Offers updated: 6/3/26
Price History for seller Amazon
| Date | Price |
|---|---|
| 5/29/26 | $36.98 |
| 5/20/26 | $37.73 |
Shipping options
Delivery to 
United States
United States
Available
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
WiFi Air Quality Meter Multi-parameter detection: CO2 HCHO VOC PM2.5
|
CO2 Air Quality Meter with Temperature Humidity Display WiFi connected via TUYA app
|
CO2 Air Quality Meter Glossy egg shape WiFi connectivity for remote monitoring
|
CO2 Air Quality Meter Real-time monitoring via TUYA app
|
5-in-1 WiFi Air Quality Detector Black Remote monitoring via app
|
Smart Air Quality Monitor with CO2, WiFi, Temperature & Humidity Sensors White
|
|
| Brand | Badafaci | Eujgoov | Jiawu | Fabater | Zunate | Acenew |
| Model | ||||||
| Color |
|
|
|
|||
| Rating | ||||||
| Price | $39.05 | $39.71 | $40.62 | $42.38 | $24.12 | $39.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | May 29, 2026 | May 20, 2026 | May 20, 2026 | May 29, 2026 | May 29, 2026 | May 29, 2026 |
| Display Type | Three-color display | 3-color display | Three-color display | LCD Color Screen | ||
| Co2 Measurement Range | 400-5000 ppm | 400-5000PPM | 400-5000 ppm | 400-5000 PPM | ||
| Operating Temperature Range | -14°F to 122°F | 14°F to 122°F | 14°F to 122°F | |||
| Connectivity | WiFi | WiFi, TUYA app | WiFi (TUYA app) | WiFi | WiFi (2.4 GHz) | |
| Battery Capacity | 800mAh | 800mAh lithium-ion | 2000mAh | |||
| Power Source | USB rechargeable, 800mAh lithium ion battery | USB Rechargeable | USB (DC 5V) | |||
WiFi Air Quality Meter Multi-parameter detection: CO2 HCHO VOC PM2.5
$39.05
When this device makes sense
Product confidence
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.