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WiFi Connection Without Hub
WiFi direct connection to Internet is better than Bluetooth. No hub required and less latency for viewing data from anywhere at any time. Ideal for remote monitoring for greenhouse, wine cellar and pet room

Works with Alexa and Google Home
Just ask Alexa or Google Assistant the temperature or humidity data in specific room. Use Routines in Alexa App as an event to interact with products from other brands (ex. Turn on Tuya smart plug with heater if temperature is lower than 10℃/50℉)

Notifications & Alerts
View the change of temperature and humidity in 24 hours on intuitive curve. Set higher and lower limit to get instant alert on phone if the data monitored becomes abnomal.

Free Data Storage and Export
FREE data history and storage for up to 3 years. You can export data to Excel file at any time for records tracking.

High Accuracy and Fast Reading
Sensirion from Switzerland inside for world’s top accuracy of detection. Data is refreshed every 2 seconds ensures instant updates and automations. (You can switch between Celsius and Fahrenheit temperature units within the app.)

Empowering Developers with Modbus TCP Protocol
eTHS supports the Modbus TCP protocol, enabling developers to query instant data in the local network, providing extra flexibility for custom smart home solutions.
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Customer Reviews
3.9 out of 5 stars 48
3.6 out of 5 stars 330
3.9 out of 5 stars 137
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3.9 out of 5 stars 210
Price
$19.99$19.99
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App Control
✓
✓
✓
✓
✓
Voice Control
✓
✓
✓
✓
✓
Thermometer & Hygrometer
✓
X
✓
✓
X
Motion Sensor
X Radar Motion Radar Motion PIR Motion X
IR Remote Control
X X
✓
X
✓
RF Remote Control
X X
✓
X X
Switch Button
X X X
✓
X
Bluetooth
X X X X
✓
Package Dimensions : 2.95 x 1.85 x 1.54 inches; 1.76 ounces
Item model number : eTHS
Date First Available : July 7, 2023
Manufacturer : LinknLink Pty Ltd
ASIN : B0CB9TMSZB
Best Sellers Rank: #385,397 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #493 in Indoor Thermometers
Customer Reviews: 3.9 3.9 out of 5 stars (48) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
【Accurate and Fast Reading】Powered by the world top sensor Sensirion from Switzerland, eTHS provides temperature accuracy up to ±0.54°F/±0.3°C and humidity accuracy up to ±2%RH. Data is refreshed every 2 seconds ensures instant updates and automations.
【TH2MQTT Home Assistant】TH2MQTT is a bridge that connects a temperature and humidity sensor (TH) to Home Assistant using the MQTT protocol. This allows Home Assistant to monitor and react to changes in temperature and humidity. For example, it can trigger actions like turning on a air conditoner when the temperature is too high, or activating a humidifier when the humidity drops below a certain level. Essentially, it enables you to automate your home environment based on real-time temperature and humidity data.
【WiFi Connection Without Hub】Why paying more to buy another hub and add troubles? Unlike other Bluetooth sensors, eTHS is always connected to Internet with WiFi (2.4G) directly. Watch data from anywhere at any time and avoid any potential failure due to signal conversion.
【App Real-Time Status and Alert】View current status and 24-hour data curve even you are not at home. Set higher and lower limit to get immediate alerts for abnomities, helping you respond faster to sudden changes in environments such as greenhouses and basement storage.
【FREE Data Storage and Export】eTHS offers world’s longest FREE data storage for up to 3 years. You can view detailed data history after years and export full data to Excel file at any time for records tracking.
【Works with Alexa/Google】eTHS works with Alexa and Google Home for voice interaction. No need to find and check sensor details in App but just ask Alexa or Google Assistant the temperature or humidity data in specific room. Use Routines in Alexa App as an event to interact with products from other brands.
10 reviews for Thermometer and Hygrometer eTHS, WiFi Smart Temperature and Humidity Monitor Sensor, APP Phone Alert, TH2MQTT Home Assistant, Compatible with Alexa Google Home, No Hub Required
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$19.99

CRX Ninja –
Works Well
Placed in my work shop and setup an alarm when the RH gets too high. App is easy to use.
Flash –
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
Endryck –
No es 100% compatible con Alexa
Alexa reconoce el dispositivo pero solo permite utilizar el sensor de Temperatura, no el de humedad. No se puede configurar ninguna rutina que incluya el dispositivo, solo solicitar la temperatura a Alexa por comando de voz.
Derek S –
App won’t work leaving product useless
The app won’t let me add the device as you need to select a location for your home. All location selections give the same error and without setting up a home you cannot use the product. So 1 star as it’s useless without a working app.
DL –
Celsius only
Cannot be set to Fahrenheit. I had two and one died within a couple of months. They actually worked well when they worked, but i need more reliability than that. Mine both went in the trash
Lolo26120 –
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. Vidler –
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.
Stefano –
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.
Gerardo –
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.
Darren Lyonss –
Used to have missing chunks of data and couldnt connect. since firmware update has been excellent with no issues.