MJ Select Smart C 73120 Digital Thermohygrometer with Waterproof External Sensor: Waterproof external sensor
Available Options
Meet the Digital Thermohygrometer—your go-to gadget for keeping tabs on temperature and humidity, no matter where you are. Thanks to its waterproof external sensor, it laughs in the face of rain, damp, or even your steamy shower sessions (yes, it’s that tough). Perfect for those who love their gardens, tinker in garages, or just want to know why their bathroom mirror always fogs up. It’s got a digital display so clear, you’ll read it from across the room, and it remembers the highest and lowest temps like a weather-obsessed elephant. Plus, its silver finish is sleek enough to not stick out like a sore thumb in your living room. Whether you’re a weather geek or just someone who likes to know if it’s sweater weather, this little device has got your back—indoors or out.
- Indoor/outdoor use
- Max/min temperature recording
- Digital display
- Silver color
- Waterproof external sensor
General specs
- Brand: MJ Select
- Model: Smart C 73120
- Seller: Joom
- Sensor Type: External, waterproof
- Usage: Indoor, Outdoor
- Display: Digital
- Functions: Temperature measurement, Humidity measurement, Max/min recording
- First listed by seller: 5/23/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Russia
Comparison with similar products
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MJ Select Smart C 73120 Silver Waterproof external sensor
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| Brand | MJ Select | Shinwa Sokutei | Shinwa Sokutei | SOLT Japan Market | SOLT Japan Market | JP Create mege |
| Model | Smart C 73120 | Smart C 73120 | Smart B 73119 | Smart C 73120 | Smart B 73119 | Smart B 73119 |
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| Rating |
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| Price | $71.35 | $70.74 | $63.90 | $66.57 | $62.49 | $61.53 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 25, 2025 | August 26, 2025 | September 2, 2025 | August 26, 2025 | September 2, 2025 | August 28, 2025 |
| Sensor Type | External, waterproof | External, waterproof | Waterproof external | Digital | external, waterproof | Digital |
| Usage | Indoor, Outdoor | Indoor, Outdoor | Indoor, Outdoor | Indoor, Outdoor | indoor, outdoor | Indoor, Outdoor |
Digital Thermohygrometer with Waterproof External Sensor
Adam W.
Dallas, TX
June 3, 2025
I got this to monitor conditions around my house, especially since I'm into gaming and like to keep things comfortable. It's fairly straightforward to set up—just plug it in and it works. I've been using it for a couple of weeks now, and it's been reliable. The sensor stays accurate even when it's rainy or humid, which is a big plus here in Dallas. I can check the temp and humidity from across the room without squinting, and it remembers the extremes, so I don't have to. It's not fancy, but it does what it says, and for the price, it seems like a solid buy. Would recommend for anyone needing a simple, durable monitor :)
- Pros: The external sensor is tough and handles wet conditions without a hitch, which is great for my garden and garage. The display is super clear, easy to read from a distance, and it keeps track of the highest and lowest readings automatically, making it handy for spotting trends.
- Cons: Seems a bit basic for someone who might want more advanced features, and the silver finish, while nice, could be a bit more discreet in some settings.