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Newentor CO2 Monitor with Voice: High-precision CO2 sensor with Swiss Sensirion PASens technology
Whether you're tending to your grow tent, managing classroom air quality, or ensuring a cozy RV trip, the Newentor CO2 Monitor keeps your space fresh and healthy. Unlike basic detectors, it uses a high-precision Swiss Sensirion sensor for accurate, stable CO2 readings. You can customize voice alerts for CO2 levels, so you'll know exactly when to open a window—no guessing needed.
The large display shows temperature and humidity at a glance, while the built-in alarm clock and calendar help you stay on schedule. Imagine checking on your greenhouse after hours: the monitor logs conditions, so you can adjust ventilation before your plants suffer. Perfect for homes, offices, and more—this device gives you control over your environment. (Note: Not a CO detector.)
Features
- Customizable CO2 smart notification system with voice alert
- Real-time temperature and humidity monitoring
- Built-in calendar and alarm clock
- Wide range of applications: grow tents, RVs, classrooms, offices, wine cellars
- High-precision CO2 sensor with Swiss Sensirion PASens technology
General specs
- Brand: Newentor
- Seller: Amazon
- ID: B0D86YHTNM
- Weight: 4.8 oz, 136 g
- Calendar: Yes
- Mounting: Desktop, Wall-mountable
- Dimensions: 4.13 x 2.36 x 1.18 inches, 10.5 x 6 x 3 cm
- Alarm Clock: Yes
- Applications: Home, RV, Grow Tents, Classroom, Office, Wine Cellars
- Accuracy Co2: ±50 ppm ±5%
- Display Type: Large LCD
- Power Source: USB-C, 3 AA batteries
- Humidity Accuracy: ±3% RH
- Notification Voice: Yes
- Temperature Accuracy: ±1°C, ±1.8°F
- Co2 Measurement Range: 0-5000 ppm
- Co2 Sensor Technology: Swiss Sensirion PASens, NDIR
- Humidity Measurement Range: 0-95% RH
- Temperature Measurement Range: 0-50°C, 32-122°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
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FBA means the order is fulfilled by Amazon, even when the seller is a third-party merchant.
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New, Used and Refurbished describe the item condition shown for that Amazon offer.
Top live offer
$39.99
Free shipping
New
Third-party seller
FBA
Shippable
Offers updated: 5/31/26
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | Newentor | Y-KOOK | Acenew | Aurikall | OUGETHER | Xudikou |
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| Price | $39.99 | $25.62 | $39.99 | $48.49 | $37.99 | $20.20 |
| Seller | Amazon | Joom | Amazon | Amazon | Amazon | Joom |
| Update | May 29, 2026 | Feb 12, 2026 | May 29, 2026 | May 29, 2026 | May 29, 2026 | Feb 14, 2026 |
| Weight | 4.8 oz, 136 g | 0.33 lbs | 6.3 oz | |||
| Dimensions | 4.13 x 2.36 x 1.18 inches, 10.5 x 6 x 3 cm | 3.2 x 3.2 x 1.2 in | 5.5 x 3.3 x 1.1 inches | |||
| Accuracy Co2 | ±50 ppm ±5% | ±50 ppm | ±(50 PPM + 5% of reading) | |||
| Display Type | Large LCD | LCD | 2.8" Color Digital Display | |||
| Power Source | USB-C, 3 AA batteries | USB (DC 5V) | 2000 mAh battery | |||
| Humidity Accuracy | ±3% RH | ±3% RH | ±3% RH (20-80% RH) | |||
| Temperature Accuracy | ±1°C, ±1.8°F | ±1.8 °F | ±1.8°F | |||
| Connectivity | WiFi (2.4 GHz) | WiFi | WiFi, TuyaAPP | |||
CO2 Monitor with Voice Off White
$39.99
When this device makes sense
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