Works as promised.

So far so Good! Have an interesting application. It is the water main for an apartment complex, now above ground high up in the rocky mountains. It gets really cold for 6 months of the year and don't want pipes to freeze. Worried it wouldn't transmit through the metal box so got the wire attached probe to put inside the box. Wanted to put it all inside the metal box to protect it from the weather so tried that first.
It transmits right through the box to the Speaker hub in the office at least 100 feet away. Very happy to find a reasonable way to have this work without costing a small fortune$$

There are many simple loggers on the web market.
I chose the one from Yolink because it is simple and has sufficient functions.
The logger's battery level went down after two days in the freezer.
And, as far as I know, I was unable to check the log on my PC.
For that reason, I cannot give it another star.

Impressive range

I have placed the temp sensor and the speakerhub 725 feet apart. There are several large trees in the way and one double pane glass window. Despite this I am getting "Strong (-79dBm) signal strength. And it's currently operating in -20 degree Celsius. Very happy with this!

Extremely simple set-up

I was pleasantly surprised at how simple it was to connect all my items to the app, get them set-up and start monitoring. Even ordered more once it was all set-up to monitor more things. Very impressed by this product!

works well!

easy to setup and provides temperature of both my pool and the hot tub. thanks, YoLink!

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What's In the Starter Kit

x2 Weatherproof Temperature Sensor w / Probe

x1 SpeakerHub

Smart Outdoor Thermometer and Hygrometer

Exceptional value; accurate temperature sensor in one smart device at a great price
Works with the convenient and user-friendly YoLink app
Know the current temperature level at the sensor’s location. Check remotely using the YoLink app, anytime and from anywhere
Compact design allows for placing the sensor where others may not fit
Easy to install and portable; move to other locations as needed
Lower cost of ownership than other technologies; low-power operation means batteries may last over 2 years, compared to 1 or less from other brands
Carefree maintenance, with more years between battery replacement
Low-battery alerts give you advanced warning that it is almost time to replace the batteries
Uses standard lithium batteries (2 AAA batteries)
Easy and fast installation using the YoLink app with Scan & Play

Versatile & Efficient

The weatherproof temperature sensor has many applications, including pool/hot tub & fish tank water, wood boiler, fridge and deep freezer, livestock water trough, milk, beer, wine, water, steam and pipe temperature monitoring. Additional uses include composting and HVAC/heating/cooling/ventilation management (YoLink smart plugs and switches purchased separately).

One smart sensor many applications, with outline around text that says Fish Tank Water.

Ability to remotely view your smart sensor information.

Use the YoLink smartphone app to remotely monitor the temperature of your home, rental property, condo, summer home, or business. YoLink’s industry-leading long-range communication allows for placing the sensor in your out-buildings, separate garage buildings, barns, greenhouse, etc.

Monitor any water temperature: pool, hot tub, aquarium, boilers, water trough, etc.

Monitor temperatures of surfaces when the sensor is affixed to the object, such as clamping the probe to a hot water pipe

Numerous Pet Care Applications

Name: SpeakerHub & Two Weatherproof Temperature Sensors w/Probe Starter Kit
Brand: YoLink
Price: 699.0 BRL
Availability: InStock
Rating: 4.88 (8 reviews)

Receive alerts if sensor levels fall outside of your customized ranges.

Dog outside doghouse as potential sensor application for pet care.

Place one an outdoor dog house to know if it’s too cold for them

Iguana in tank, as potential sensor application for pet care.

For reptile tanks (turn on a heat lamp if the temperature gets too low)

A chicken in a coop, to show the potential sensor application for pet care..

Place in a barn, to ensure your horses or livestock are comfortable and safe

Temperature sensor with alexa voice activated ability.

Smart Alerts

Create customized alerts, to be informed of high- or low-temperature levels via emails or app push notifications

Create custom automation using the YoLink app, to trigger responses from other YoLink devices, such as the Siren Alarm

Use the IFTTT service (www.ifttt.com) to create custom automation with YoLink and third-party devices, tailored to your particular needs and your IoT devices (IFTTT is a paid service for more than 3 custom automation)