First load the sensor battery, and then install the main unit battery/power supply.

How do I install the sensor?

A. Vertically at least 6 feet above the ground. B. There is good air flow and ventilation around the sensor. C. Direct sunlight will make the reading higher, so the shade on the north and south side is best. D. Keep it away from heat sources.

Why do "dashes" appear?

A. Walls, glass windows, stucco walls, and large metal objects will block signal transmission and shorten the distance. B. Radio, cable, wire and other interference signal transmission.

What to do when a "dash" appears?

A. Place the host and sensor together and remove all batteries. B. Place ew alkaline batteries in turn into the sensor-host. C. Observe whether the LED of the sensor flashes every 31s. D. After re-connection, fix it for 15m and then replace it.

How to test accuracy?

A. Bring the sensor indoors, place it side by side with the host for 2h. B. Compare the different readings, temp, humidity. C. If the sensor reads correctly, try another location outdoors. D. Donot compare readings with weather recording stations.

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Indoor Outdoor Thermometer Hygrometer Wireless Weather Station, Temperature Humidity Monitor Battery Powered Inside Outside Thermometers with 330ft Range Remote Sensor and Backlight Display

Product ID: 389826016

Details

Brand
U UNNI
Color
White+Grey
Connectivity Technology
WIRELESS
Included Components
1 x Hygrometer
Number of Batteries
3 AAA
Power Source
Battery Not

💧±2% humidity precision

📡330ft wireless range

🌡️±0.5ºF temperature accuracy

$44.50

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Description

🌦️ Stay ahead of the weather curve—because your comfort deserves precision.

PRECISION SWISS SENSOR - Experience ultra-accurate indoor/outdoor temp & humidity readings with Sensirion tech.
USER FRIENDLY BACKLIT DISPLAY - Bold, easy-to-read LCD with 10-second backlight for effortless monitoring day or night.
COMPREHENSIVE CLIMATE INSIGHTS - Get heat index, dew point, and mold risk data to stay ahead of your environment.
SEAMLESS WIRELESS CONNECTIVITY - Patented tech delivers real-time updates every 30 seconds up to 330ft away—monitor anywhere.
VERSATILE PLACEMENT MULTI SENSOR SUPPORT - Compact design fits on any wall or tabletop; supports up to 3 sensors for full coverage.

The U UNNI Indoor Outdoor Thermometer Hygrometer is a battery-powered wireless weather station featuring a Swiss-made Sensirion sensor for ±0.5ºF temperature and ±2% humidity accuracy. It transmits data up to 330ft every 30 seconds, providing real-time indoor/outdoor temperature, humidity, heat index, dew point, and mold index readings on a clear backlit LCD. Designed for versatile placement and supporting up to 3 remote sensors, it’s perfect for home, office, or garden environments.

Specifications

ASIN	B09FSYJZSH
Additional Features	HIGH-PRECISION
Are batteries included?	No
Best Sellers Rank	#1,114 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #11 in Indoor Thermometers
Brand	U UNNI
Brand Name	U UNNI
Color	White+Grey
Connectivity Technology	WIRELESS
Customer Reviews	4.4 out of 5 stars 10,000 Reviews
Display Type	LCD
Included Components	1 x Hygrometer 1 x User Manual 1 x remote sensor, one-year warranty
Is Used Where	Indoor, Outdoor
Item Length	4.8 Inches
Item Weight	0.85 Kilograms
Manufacturer	U UNNI
Model	UN0581
Number of Batteries	3 AAA batteries required.
Part Number	UN0581
Power Source	Battery Powered
Recommended Uses For Product	Garden, Home, Office, Laboratory
Sensor Technology	Wireless
Shape	Rectangular
Special Feature	HIGH-PRECISION
Specific Uses For Product	heat index , dew point index and mold index
Style Name	Compact
Temperature Accuracy	0.28 °C
Unit Count	1 Count
Upper Temperature Range	158 Degrees Fahrenheit

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$44.50

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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