1 / 6U UNNI UN0582HTN Wireless Thermometer Hygrometer with 3 Sensors
The U UNNI UN0582HTN is a wireless indoor/outdoor thermometer and hygrometer with a 4.5-inch color display and three sensors. It is designed to show temperature and humidity across multiple locations, with alerts and a USB-powered backlight option. Listing specifications differ on temperature accuracy, so treat that figure as unconfirmed.
At a glance
- Displays temperature and humidity readings from three sensors, with a stated transmission range of 328FT/100M.
- The 4.5-inch color display has adjustable backlight levels, and the listing says USB power keeps the backlight on.
- Temperature and humidity alerts, daily maximum/minimum records, and a comfort indicator are listed.
- The listing says maximum and minimum records reset automatically every 24 hours.
Reference price: $32.99
Price checked: Nov 12, 2026
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Pros and cons
Pros
- Three sensors support monitoring multiple locations from one display.
- Temperature and humidity alerts and daily high/low records provide more than a current reading.
- USB power supports an always-on backlight, with three brightness settings listed.
Cons
- USB power is needed for the listing's always-on backlight mode, while battery power is also part of the stated power configuration.
- Customer feedback reports some sensor connectivity problems and mixed battery-life experiences.
Technical specifications
24 specifications| Brand | U UNNI |
|---|---|
| Model | UN0582HTN |
| Screen technology listed | LCD with backlight |
|---|---|
| Display size | 4.5 inch |
| Sensor technology | Wireless |
|---|---|
| Number of sensors | 3 outdoor sensors |
| Indoor temperature range | 14.2ºF ~ 122ºF |
| Outdoor temperature range | -40ºF to 158ºF |
| Indoor/outdoor humidity range | 20%~95% |
| Temperature accuracy, feature claim | +/-2ºF |
| Humidity accuracy | +/-5% |
| Wireless connection listed | USB |
|---|---|
| Data transmission range | 328FT/100M |
| Update interval | every 30 seconds |
| Temperature units | Switchable °C &°F |
| Alerts and indicators | Outdoor Temperature & Humidity Alert |
| Records | Daily MAX/MIN data |
| Comfort indicator | Comfort indicator |
| Power configuration | Usb+battery Powered |
|---|---|
| Backlight settings | 3 kinds of brightness(high-low-off) |
| Weight listed | 0.35 kg |
|---|---|
| Installation | tabletop or wall-mountable design |
| Material listed | Plastic |
|---|
| Warranty description | 1 year warranty |
|---|
What to know before buying
Listing details to confirm
The listing gives conflicting temperature accuracy figures: the details field says 1 °C, while the feature text says +/-2ºF. The display is described as 4.5 inches in the title and 4.5 inch in feature copy. Confirm the accuracy claim and included sensor count for the selected listing. Battery quantity and type are not specified. USB is listed as connectivity despite wireless sensors being described. The product is claimed to include three outdoor sensors and a USB cable, while the explicit included-components field names only an instruction manual. Check the selected listing for the kit contents. The one-year warranty is a listing claim, with no coverage terms supplied.
What’s in the box
- User manualIncluded
- Three outdoor sensorsCheck selected pack
- USB cableCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- People who want to view indoor and outdoor temperature and humidity across three sensor locations.
- Households, gardens, or offices that can use local display alerts and daily high/low records.
- Buyers who want a display that can run its backlight continuously when connected to USB.
Less suited to
- People who need a clearly established accuracy specification before purchase.
- Buyers who require confirmed battery details or guaranteed sensor reliability.
Customer reviews on Amazon
- 5 stars
74% 74% - 4 stars
12% 12% - 3 stars
6% 6% - 2 stars
2% 2% - 1 star
6% 6%
Customer feedback describes setup as easy and often praises readability and perceived accuracy. Some customers say sensors connect quickly, while others report connectivity problems. Battery life receives mixed comments, including concern about the number of batteries needed, and reliability criticism includes reports of sensors failing within six months. For buyers using all three sensor locations, the reported connection and reliability concerns matter alongside the claimed 30-second updates and broad transmission range. These are customer reports, not verified product tests.
Positive themes
- Customer feedback often praises ease of setup, readability, and perceived accuracy.
Negative themes
- Some customers report sensor failures within six months.
Mixed feedback
- Customers describe connectivity as mixed, with some reporting quick pairing and others experiencing connection problems.
- Battery-life feedback is mixed, including comments that the device needs many batteries.
Frequently asked questions
Can the display show readings from three sensors?
The listing says it displays data from three sensors and describes three outdoor sensors in its kit claim. The explicit included-components field lists only an instruction manual, so confirm the selected listing's package contents.
Does the backlight stay on continuously?
The listing says USB power keeps the backlight on and offers three brightness settings. It does not state that battery power provides the same always-on behavior.
What is the stated temperature accuracy?
The information conflicts: one details field gives 1 °C, while the feature description claims +/-2ºF. The accuracy should be treated as unconfirmed.
How often are readings updated and records reset?
The listing states that readings transmit every 30 seconds and that maximum/minimum records reset automatically every 24 hours.
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