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🌿 Smart climate control at your fingertips—because your space deserves precision and peace of mind.
The LinknLink eTHS is a WiFi-enabled thermometer and hygrometer featuring top-tier Sensirion sensors for ±0.3°C and ±2%RH accuracy. It connects directly to your home WiFi without requiring a hub, providing real-time data updates every 2 seconds. Compatible with Alexa, Google Home, and Home Assistant via MQTT, it supports smart automation and voice control. With 3 years of free data storage and export capabilities, it’s ideal for professionals seeking precise environmental monitoring in spaces like greenhouses, basements, and smart homes.











| ASIN | B0CB9TMSZB |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | 99,377 in Garden ( See Top 100 in Garden ) 321 in Hygrometers |
| Brand | LinknLink |
| Colour | White |
| Connectivity Technology | Wi Fi |
| Country Of Origin | China |
| Customer Reviews | 3.9 out of 5 stars 48 Reviews |
| Display Type | Digital |
| EU Spare Part Availability Duration | 3 Years |
| Included Components | Product, sensor cable, user guide |
| Included components | Product, sensor cable, user guide |
| Indoor Outdoor Usage | Indoor |
| Item Length | 4.6 Centimetres |
| Manufacturer | LinknLink Pty Ltd |
| Manufacturer Part Number | eTHS |
| Model Name | eTHS |
| Model Number | eTHS |
| Outer Material | Plastic |
| Outer material | Plastic |
| Power Source | USB Powered |
| Product Care Instructions | Wipe Clean |
| Resolution | 0.1 degree |
| Response Time | 2 seconds |
| Reusability | Single Use |
| Smart Home Compatibility | Smart Home Compatible |
| Special Features | App Companion, High Accuracy |
| Specification Met | [Yes] |
| Style Name | Contemporary |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 82 Degrees Fahrenheit |
S**R
Good Wifi temperature and humidity sensor that works well with Home Assistant
I had a number of Zigbee temperature and humidity sensors around the house to monitor how well the central heating works in each room but needed to add a wifi temperature sensor in the garage as the Zigbee signal doesn't reach that far. I saw this reviewed on YouTube and am glad I bought it as it seems to be accurate and the USB power, rather than batteries, suits me well as I don't have to run around changing batteries all the time. Has never lost connection in the six months I've owned it and works well in Home Assistant. Will probably buy some more for monitoring the temperature in the garden and greenhouses.
D**S
Software update
Used to have missing chunks of data and couldnt connect. since firmware update has been excellent with no issues.
M**E
Really great sensor
I can't believe I'm the first to review this unit. I'll start by saying it doesn't take batteries, so you'll need a usb plug or port nearby. The setup of this unit was super easy and you'll have it working in about 5 mins. Currently there is a few ways to get it to trigger a routine and work with Alaxa and there is quite a lot of scope that's not immediately obvious. I can't say enough about the fantastic tech support for this product. I would thoroughly recommend this product especially at the insanely low price. It's a really good sensor with a great app.
S**.
Useless for what I purchased it for
Followed video instructions but can't get it to set up a routine to turn on smart plug when temperature drops so its useless for what I purchased it for
T**.
does not work with Smart Life App
works with their LinkLink app but not with Smart Life App im on 2.5gh as well unless im missing something
S**S
good product especially now it has a hack for Alexa
the hack for Alexa makes this really useful
C**A
Works Well
Placed in my work shop and setup an alarm when the RH gets too high. App is easy to use.
L**0
Compte sur application obligatoire. Incompatible Tuya ou Smart Life
Pour paramétrer l'appareil, il faut installer une application sur son mobile. Il faut obligatoirement créer un compte avec envoi d'un mot de passe sur ses mails. L'appareil fonctionne ensuite correctement et la possibilité de le brancher est idéale. Attention, non compatible Tuya ou Smart Life.
S**O
Funzionale
L'ho acquistato per monitorare la cuccia del mio cane. Il sensore si trova nel cavo di alimentazione mini USB. Deve rimanere sempre attaccato. La scatoletta che si vede, serve solo per la connessione wifi. È perfetto funziona benissimo. L'ho collegato sia ad Alexa che Google home. In tempo reale mi aggiorna sulla temperatura e umidità. C'è la possibilità di attivare delle routine...tipo, in caso di temperatura più bassa o più alta, può attivare in automatico il condizionatore oppure il ventilatore (ovviamente devono essere collegati wifi anche loro). Possibilità anche di vedere la cronologia delle temperature. Consigliatissimo. Ovviamente bisogna vedere nel tempo come si comporta. Per ora consiglio l'acquisto.
F**H
Pain in the A$$
This device is a royal pain from the start. At this time there is no linknlink app on play store and the download page their QR code sends you to does not work. One plus, they did respond quickly to tell me the app was also available on apkpure.com (which it actually was). It does not like multiband wifi (my router uses the same SSID for all bands. I solve this problem with a range extender with a unique SSID for the 2.4 band) The sensor does not trigger Alexa routines as stated. You have to add a device called a toggle in the linknlink app (add device>smart services>toggle), create a routine in the app to change the toggle and then Alexa treats the toggle as if it were a motion sensor. I just created toggles named 68, 69, 70 and so on. Measurement seems accurate matching all the other devices I have and response time is on par with other devices. Only had the sensor for a day so can't say much more about my it. If Smart Life would add the toggles to their software I would use their app and compatible sensors as theirs is much more intuitive but until they do it's this or spend $70 on an Amazon sensor when it becomes available
G**O
Rispetta le aspettative
Prodotto consigliato per rapporto qualità/ prezzo è compatibile direttamente con Alexa dove mostra temperatura e umidità in altri prodotti simili l'umidità non è visualizzata in Alexa , funziona solo con alimentazione USB quindi me è perfetto perchè non cè bisogno batterie che si scaricano velocemente con il WIFI sempre attivo .App semplice ma solo in Inglese serve solo per leggere Temperatura / Umidità e grafici. Il sensore e lungo il cavo USB quindi è molto versatile per l'uso.
Trustpilot
3 weeks ago
2 months ago