Purifier or Monitor First
Should you buy an air purifier or air quality monitor first? This guide compares immediate relief against diagnostic insight to help you decide.
Smarter than future MT03 Classic 3-in-1 Indoor CO2, Temperature & Humidity Detector
Meet the Classic 3-in-1 Indoor Detector—your new best friend for keeping the air in your space just right. With its 2.8 LCD display, it's like having a mini weather station that also keeps an eye on CO2 levels (because who wants to breathe in yesterday's air?). Plus, it tracks temperature and humidity, so you'll always know if it's sweater weather or if you're living in a sauna. Thanks to its semiconductor sensor, you can trust it to be as accurate as your grandma's meat thermometer.
Why you'll love it:
- Small enough to not be a eyesore, but mighty in what it does.
- The display? Crystal clear. No squinting required.
- Perfect for pretty much anywhere—homes, offices, even that one classroom that always feels stuffy.
Features
- CO2 detection
- Temperature monitoring
- Humidity tracking
- Semiconductor sensor
- 2.8 LCD Display
General specs
- Brand: Smarter than future
- Model: MT03
- Seller: Joom
- ID: 67470e19dfa138018de2627c
- Display: 2.8 LCD
- Sensors: CO2, Temperature, Humidity
- Sensor Type: Semiconductor
- First listed by seller: June 9, 2025
If you are interested in more details, you can find full information on the seller's page.
RUB 1,602.04
Last price update: 8/2/26
Out of stock
Price History for seller Joom
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Delivery to 
Russia
Russia
Available
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| Brand | Smarter than future | Y-KOOK | ZN | Xudikou | Fawfose | |
| Model | MT03 | MT11 | CM51 | Advanced | ||
| Color |
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| Rating | ||||||
| Price | RUB 1,602.04 | RUB 1,904.31 | RUB 1,201.08 | RUB 1,458.82 | RUB 1,501.28 | RUB 4,209.61 |
| Seller | Joom | Joom | Banggood | Banggood | Joom | Retailer |
| Update | Aug 13, 2026 | Feb 12, 2026 | May 9, 2026 | May 9, 2026 | Feb 14, 2026 | Jun 24, 2026 |
Smarter than future MT03 2.8 LCD Display
RUB 1,602.04
When this device makes sense
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