Can this connect with smart humidifier on its own or does it need the wifi gateway?

It can be used as a stand-alone Bluetooth humidity sensor. And it can be connected to the Govee humidifier.

why they stopped working one by one

The single AAA battery typically only last 4 months per the manual. Mine barely made it to 3 months and the battery level displayed in the app was not accurate.

Do we need to purcahse the cloud service?

I've been using mine for over a month just about 24/7 in a grow tent. At the moment im not using any app (alexa). Im just plug n use. So long story short i would say no cloud necessary...lol

What is the battery life? i installed 3 of these end of november and 2 of the 3 died end of december. not great for remote rental property.

The temperature sensor's battery life is about 4 months. Low temperature will shorten the battery life. We promise a 12-month warranty. Need any help, feel free to contact us via Amazon message center.

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Govee Hygrometer Thermometer 3Pack H5100, Mini Bluetooth Temperature Humidity Sensor with APP Notification Alert, 2 Years Free Data Storage Export, 230 Feet Connecting Range

Govee Hygrometer Thermometer 3Pack H5100, Mini Bluetooth Temperature Humidity Sensor with APP Notification Alert, 2 Years Free Data Storage Export, 230 Feet Connecting Range

Product ID: 379423017

Details

Battery Description
Alkaline
Brand
Govee
Color
White
Item Weight
0.04 Kilograms
Product Dimensions
0.95"W x

📊2 years free cloud data export

📶230ft Bluetooth range

🌡️±0.54°F temperature accuracy

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11207 kr

Duties & taxes included

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌡️ Stay ahead of the curve—monitor, alert, and protect your space like a pro!

COMPACT YET POWERFUL - Palm-sized sensors fit discreetly anywhere—from potted plants to freezers—without sacrificing accuracy.
INSTANT SMART ALERTS - Get real-time notifications on your phone when temperature or humidity stray from your preset comfort zones.
DATA DRIVEN DECISIONS - Access and export 2 years of precise temperature and humidity data to optimize your environment.
SEAMLESS REMOTE MONITORING - Stay connected up to 230 feet with Bluetooth or unlock unlimited range via Wi-Fi gateway integration.
VERSATILE MULTI SENSOR SETUP - Expand your coverage by pairing up to 10 sensors on one app for comprehensive home or office monitoring.

The Govee Hygrometer Thermometer 3Pack H5100 offers ultra-precise temperature (±0.54°F) and humidity (±3%RH) sensing with a 230-foot Bluetooth range, expandable to unlimited distance via Wi-Fi gateway. Its compact design fits anywhere, while the free Govee Home App provides instant alerts, 2 years of cloud data storage, and easy export for data-driven environmental control. Ideal for professionals managing sensitive spaces, this sensor pack ensures peace of mind and proactive home or office climate management.

Specifications

ASIN	B09DPCW47P
Battery Description	Alkaline
Best Sellers Rank	#7,553 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #27 in Indoor Thermometers
Brand Name	Govee
Color	White
Customer Reviews	4.4 4.4 out of 5 stars (1,006)
EU Spare Part Availability Duration	2 Years
Item Dimensions W x H	0.95"W x 2.21"H
Item Weight	0.04 Kilograms
Manufacturer	Govee
Model	H5100
Mounting Type	Tabletop
Operating Humidity	0%-99%RH
Part Number	B5100001
Smart Home Compatibility	Smart Home Compatible
Temperature Accuracy	±0.54 Degrees Fahrenheit
Temperature Reading Accuracy	plus_minus_0_point_3_degrees_celsius
Upper Temperature Range	140 Degrees Fahrenheit

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