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

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: 625386773

Details

Battery Description
Alkaline
Brand
Govee
Colour
White
Item Weight
0.04 Kilograms
Product Dimensions
24W x 56H

📊2 years free data export

📶230ft Bluetooth range

🌡️±0.54℉ temperature accuracy

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₪275

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Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌡️ Stay ahead of the climate curve—monitor smarter, live better!

PRECISION SWISS SENSORS - Experience ultra-accurate readings from -4℉ to 140℉ and 0%-99% humidity with minimal error margins.
COMPACT DISCREET DESIGN - Fits effortlessly in tight spaces like potted plants or reptile tanks without disrupting your aesthetic.
SMART ALERTS ON YOUR PHONE - Get instant notifications when temperature or humidity stray from your preset comfort zones—never miss a beat.
ROBUST DATA TRACKING EXPORT - Access 20 days of cloud-stored data and export up to 2 years of historical trends for deep insights.
SEAMLESS LONG RANGE MONITORING - Stay connected up to 230 feet with Bluetooth or unlock unlimited range via Wi-Fi Gateway integration.

The Govee Hygrometer Thermometer 3Pack H5100 offers professional-grade temperature and humidity monitoring with Swiss precision sensors, Bluetooth connectivity up to 230 feet, and seamless Wi-Fi integration via the H5151 hub. Its compact design fits discreetly in small spaces, while smart app alerts and extensive 2-year data export empower proactive environment management for plants, pets, and more.

Specifications

ASIN	B09DPCW47P
Battery Description	Alkaline
Best Sellers Rank	#185,169 in Garden & Outdoors ( See Top 100 in Garden & Outdoors ) #257 in Indoor Thermometers
Brand	Govee
Brand Name	Govee
Colour	White
Country of Origin	USA
Customer Reviews	4.3 out of 5 stars 1,180 Reviews
EU Spare Part Availability Duration	2 Years
Item Dimensions W x H	24W x 56H Millimeters
Item Weight	0.04 Kilograms
Manufacturer	Govee
Mounting Type	Tabletop
Operating Humidity	0%-99%RH
Product Dimensions	24W x 56H Millimeters
Temperature Accuracy	±0.54 Degrees Fahrenheit
Upper Temperature Rating	140 Degrees Fahrenheit

Reviews

M**Y

must have for freezer

25.12.2024

J**Y

Great add-on sensors (Bluetooth only unless you have the WiFi module) — accurate and super handy

6.02.2026

L**G

Great addition to existing Govee network.

9.03.2026

A**R

Love these!

17.08.2023

S**T

Amazing Temperature Monitoring System

4.02.2026

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