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Temperature & Humidity Sensor


Smart Temperature and Humidity Sensor, YoLink 1/4 Mile World’s Longest Range Smart Home Wireless Temp Humidity Sensor Work with Alexa IFTTT Remote Monitor APP Alerts History Logs – YoLink Hub Required

Bullet Points:

  • 10 times Longer Range – Powered by LoRa technology, YoLink brings the longest receiving range (1/4 mile) in the market. Our long coverage enables its use in hard-to-reach areas such as basement, porch, guest suite, barns, greenhouse, etc.
  • Voice Control – Alexa, tell me the current temperature value
  • IFTTT Supported – trigger event pipelines by using IFTTT
  • 2 Times Longer Lasting – Powered by 2 Alkaline AAA included batteries with 2 years of battery life compared to 1 year of other top brands
  • Battery status will be updated and low battery alert will be sent within YoLink APP
  • Security Alerts – YoLink temp and humidity sensor offers reliable performance, helping to keep your home safe, by alerting you when temperature value or humidity value is in the alert range
  • Wide measuring range: temperature from -10℃ to +50℃ (±0.3°C), humidity from 0% to 100% (±3%)
  • Conveniently reviewing the history value in 2 scales by Daily and Weekly
  • YoLink Hub Required but not included – YoLink Hub is the only central controller for YoLink devices. Without YoLink Hub, this smart sensor does not work on YoLink APP. 


YoLink Technology
“YoLink” is a proprietary wireless technology provided by YoSmart. which is based on the Semtech’s LoRa wireless technology combined with the YoSmart smart home/building protocol, to provide the most advanced smart home/building devices solution. Compared to WIFI, Bluetooth, ZigBee, Z-Wave, and other smart home protocols, it has the advantages of low-power consumption, long-distance coverage (wall penetration), and anti-interference. It is the first smart building/home protocol that can be very easily setup and is a very low cost but creates a reliable, robust, and more secure IoT network.

1. A YoLink Hub, Link: YS1603-UC YoLink Hub
2. The smartphone or tablet able to run iOS 9 or higher, Android 4.4 or higher.


  • Temperature Humidity Value – The recently updated value and historical value of temperature and humidity via the YoLink App.
  • Alert – Alert you when temperature value or humidity value is in the alert range and when the battery charge is low.
  • Battery Status – Display real-time battery charge.
  • Automation – Set rules for the “IFTTT” function via YoLink APP. If the triggered condition is met, then the action device will act automatically according to the setting.


Temperature Humidity Sensor detects the real-time value of temperature and humidity. Download YoLink App, add Temperature Humidity Sensor to your smart home system, which will be able to detect and record the temperature and humidity.


  • Product Model: YS8003-UC
  • Button: Set Button (press “set” button to switch between Fahrenheit and Celsius)
  • Voltage: 3V DC (2 – AAA Battery)
  • Temperature Range: -10°C ~ +50°C, ±0.3°C(14°F ~ 122°F, ±0.54℉)
  • Humidity Range: 0% ~ 100%, ±3%
  • Working Temperature: -10°C~50°C (14°F~122°F)
  • Working Humidity: 0%~100% non-condensing

Package Content:
1 x YoLink Temperature & Humidity Sensor
1 x Quick Start Guide (please click User Guide YS8003-UC to get detailed electrical user guide.)

Please note:

  • YoLink Hub is required but not incldued;
  • YoLink Hub supports Wired Connection and 2.4G WiFi Connection only.
  • YoLink products only work in the USA and Canada.

About how to set up YoLink Temperature & Humidity Sensor, please watch https://youtu.be/kW4bnGn-q7g