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: 635198865

Details

Brand
U UNNI
Power source
Battery Not
Recommended uses for product
Garden Home
Special features
Specific uses for product
heat index dew

💡Backlit Display

📶330ft Wireless Range

🌡️±0.5ºF Temp Accuracy

40739CFA

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Description

🌦️ Master your microclimate with precision and style!

EXPANDABLE RELIABLE - Supports up to 3 sensors on different channels with a 1-year warranty—future-proof your weather monitoring.
READ ANYTIME ANYWHERE - Large, bold LCD with 10-second backlight ensures clear visibility day or night, wall-mount or tabletop.
STAY CONNECTED ALWAYS - Patented wireless tech updates every 30 seconds within a 330ft radius—monitor multiple locations effortlessly.
PRECISION YOU CAN TRUST - Swiss-made Sensirion sensor delivers ultra-accurate temperature and humidity readings for your home and outdoors.
INSIGHTFUL CLIMATE METRICS - Beyond basics—heat index, dew point, and mold index keep you ahead of weather and health risks.

The U UNNI Indoor Outdoor Thermometer Hygrometer is a high-precision wireless weather station featuring a Swiss Sensirion sensor, ±0.5ºF temperature accuracy, and a 330ft wireless range. It provides real-time indoor/outdoor temperature, humidity, heat index, dew point, and mold index readings on a large backlit LCD display. Battery powered and supporting up to 3 remote sensors, it’s designed for seamless monitoring in homes, offices, gardens, and labs.

Specifications

ASIN	B09FSYJZSH
Additional Features	HIGH-PRECISION
Are batteries included?	No
Brand	U UNNI
Brand Name	U UNNI
Color	White
Connectivity Technology	Wireless
Connectivity technology	Wireless
Customer Reviews	4.4 out of 5 stars 9,994 Reviews
Display Type	LCD
Included Components	1 x Hygrometer 1 x User Manual 1 x remote sensor, one-year warranty
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, Not Included
Power source	Battery Powered , Not Included
Recommended Uses For Product	Garden, Home, Office, Laboratory
Recommended uses for product	Garden, Home, Office, Laboratory
Sensor Technology	Wireless
Shape	Rectangular
Special features	HIGH-PRECISION
Specific Uses For Product	heat index , dew point index and mold index
Specific uses for product	heat index , dew point index and mold index
Style Name	Contemporary
Temperature Accuracy	0.3 °c
Temperature Reading Accuracy	plus_minus_0_point_3_degrees_celsius
Unit Count	1 Count
Upper Temperature Range	70 Degrees Celsius

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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40739CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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