This store requires javascript to be enabled for some features to work correctly.

Free Shipping to US Destinations, Orders $50+


YoLink Weatherproof Temperature and Humidity Sensor, YoLink Hub Required

  • $32.59
  • $39.99




      • Smart, indoor/outdoor, thermometer and hygrometer monitors, records, and reports to the YoLink app the current temperature and humidity level


      • Designed for outdoor use, suitable for indoor use
      • Portable; may be placed anywhere in your home or wall-mounted
      • Temperature and humidity displayed on the YoLink app
      • Designed with home and light commercial applications in mind, precision components are utilized, to provide the accuracy you demand. Temperature accuracy of  ±0.54° F and humidity accuracy of ±3% RH
      • Extended operating range of -22° to 158°
      • Self-calibration available via the YoLink app
      • High-temperature/low-temperature alerts
      • Historical temperature and humidity graphs displayed in hourly and daily figures
      • Wireless operation; no 120V outlet or wiring required
      • Battery-powered (two Lithium AAA batteries, included)
      • 2 or more years of battery life, compared to 1 year for other brands
      • IFTTT & Alexa Integration: trigger IFTTT applets based on high or low temperature set points reached (when device alerts). Voice query Alexa for the temperature (only; humidity not supported at this time). Triggering Alexa routines is not supported at this time. YoLink's industry-leading long range communication and low-power operation


      • Exceptional value; accurate temperature and humidity sensor in one smart device at a great price
      • Works with the convenient and user-friendly YoLink app
      • Know the current temperature and humidity level at the sensor’s location. Check remotely using the YoLink app, anytime and from anywhere
      • Create customized alerts, to be informed of high or low temperature and/or humidity levels via emails or app push notifications
      • Create custom automations using the YoLink app, to trigger responses from other YoLink devices, such as the Siren Alarm
      • Use the IFTTT service ( to create custom automations 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 automations)
      • 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
      • Extremely easy and fast installation using the YoLink app with Scan & Play


      • Use the YoLink smartphone app to remotely monitor the temperature and humidity of your home, rental property, condo, summer home, or business (internet connection and YoLink Hub required)
      • YoLink’s industry-leading long range communication allows for placing the sensor in your out-buildings, separate garage building, barns, greenhouse, etc.
      • Place one in each room your wish to keep an eye on the temperature and humidity. 
      • Place the sensor in a basement or other area subject to mold and mildew growth due to high humidity levels. Identify problem areas before expensive repairs are required
      • Use the sensor and app automation features to automatically turn on the exhaust fan in your bathroom during hot showers and baths
      • Use the sensor and app automation features to automatically turn a humidifier or dehumidifier on or off based on sensor levels
      • Monitor your cigar humidor, wine cellar, or any other temperature- and/or humidity-sensitive item or area
      • Place inside a refrigerator or freezer, to prevent the loss of expensive refrigerated and frozen foods due to equipment failure or power loss. Also, commercial walk-in coolers
      • Monitor the temperature of rooms or buildings without temperature control, for example, receive a low-temp alert before water pipes freeze
      • Commercial applications include IT and mechanical rooms and other spaces that are critical and/or require temperature and/or humidity monitoring
      • There are numerous pet care applications: 
        • For reptile tanks (turn on a heat lamp if the temperature gets too low, or turn off the lamp if it gets too hot)
        • Place one an outdoor dog house, to know if it’s too cold for them
        • Place in a barn, to ensure your horses or livestock are comfortable and safe
        • Receive alerts if sensor levels fall outside of your customized ranges



      • YoLink Hub (REQUIRED) with an internet connection (wired Ethernet or 2.4GHz Wi-Fi). Refer to the Hub user guide for additional information
      • Smartphone or tablet running iOS 9 or higher, Android 4.4 or higher
      • Tools Required: None (Unless wall-mounting, optional)
      • Installation Difficulty Level: Super Easy



      • Semtech® LoRa® RF Module YL09 microcontroller with 32-Bit RISC processor
      • Color: White
      • Dimensions (L x W x D): 2.44 x 2.44 x 0.87 inches (62 x 62 x 22 mm)
      • Multi-color status LED (underside)
      • SET button (underside)
      • Power: 2 lithium AAA batteries (3V DC) (Included)
      • Environmental: 
        • Operating Temperature Range: -22°F - 158°F (-30°C - 70°C)
        • Operating Humidity Range: ≤95% (non-condensing)



      • (1) YoLink Outdoor Temperature & Humidity Sensor (lithium batteries included)
      • (1) Quick Start Guide