- Smart thermometer and hygrometer monitors, displays, records, and reports to the YoLink app the current temperature and humidity level
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INTRODUCTION:
FEATURES & BENEFITS:
- Temperature and humidity displayed on the YoLink app
- LCD display shows current temperature (Celsius or Fahrenheit) and current humidity (%)
- Extremely accurate temperature and humidity figures (+/- .3 degrees Celsius and +/- 3 percent humidity)
- Self-calibration available via the YoLink app
- Portable; may be placed anywhere in your home or wall-mounted
- High/low temperature alerts
- High/low humidity alerts
- Historical temperature and humidity graphs displayed in hourly and daily figures
- Wireless operation; no 120V outlet or wiring required
- Battery-powered (two standard alkaline AAA batteries, included)
- Up to 2 years of battery life, compared to 1 year for other brands
- IFTTT, Home Assistant, Alexa (limited to voice queries of status) integration
- 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 phone 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)
- 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 alkaline batteries (2 AAA batteries); no Lithium or special batteries required
- Extremely easy and fast installation using the YoLink app with Scan & Play
APPLICATIONS:
- 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
- Monitor the temperature of rooms or buildings without temperature control, for example, receive a low-temp alert before water pipes freeze
- 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
DATASHEET:
TECHNICAL SPECS:
Controller: Semtech® LoRa® RF Module YL09 microcontroller with 32-Bit RISC processor
Color: White
Display: Monochromatic LCD
Data Displayed: Temperature, humidity, low-battery indicator
Dimensions (L x W x D): 2.44 x 2.44 x 0.93 inches (62 x 62 x 23.5 mm)
User Interface:
Multi-color status LED (rear)
SET button (rear)
Power: 2 AAA batteries (3V DC)
Environmental:
Operating Temperature Range: -22°F - 140°F (-30°C - 60°C)
Operating Humidity Range: ≤95% (non-condensing)
Intended for indoor use only
USER GUIDE:
VIDEOS:
REQUIREMENTS:
- YoLink Hub or SpeakerHub (audio, talking hub) 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
REQUIRED PRODUCTS:
For full functionality, including for the app to work, YoLink devices must connect to at least one hub (YoLink Hub or SpeakerHub), and that hub must have an internet connection. Unless you are adding devices to an existing YoLink account, or unless your building is covered by an existing YoLink wireless network, please add one hub to your order.
WHAT'S IN THE BOX?:
(1) YoLink Temperature & Humidity Sensor (batteries included)
(1) Quick Start Guide
FREQUENTLY BOUGHT TOGETHER:
FAQ / FREQUENTLY-ASKED QUESTIONS:
Q: Is there an Alexa command that will read out the temperature?
A: Yes, you can query Alexa. If your sensor name is ATTIC TEMP HUMIDITY, as it is in my own home, you can say "Alexa, what is the temperature of the attic temp humidity sensor?" And Alexa will return with "The attic temp humidity sensor temperature is 111 degrees."
Q: How often does the sensor check the temp and humidity for automation? Is the sensor only checked after a certain number of minutes?
A: The sensor updates the app each hour, minimum, but also updates if any of the following occur:
At least 0.9 F degree change over a period longer than 1 minute
At least 3.6 F degree change within 1 minute
At least 5% humidity changes over a period longer than 1 minute
The device reaches a pre-set high or low alert level (set by the user)
Or the SET button on the device has been pressed.
Q: I see the YoLink hub is required for all smart features. Is there an alternate way to just connect wifi and monitor from ios without the hub?
A: No, YoLink hub is required. YoLink smart devices use a special wireless technology based on LoRa, which can offer extreme long range (1000 feet compared to 100 for WiFi, outdoors, line-of-sight) and superior obstruction penetration including concrete and metal, but they do not use your WiFi. They need to wirelessly connect to one of our hubs.
COLLECTION MEMBERSHIP:
This product is a member of the following collections:
Smart Fridge
Environmental
Smart RV
CUSTOMER REVIEWS:
QUESTIONS? CONTACT US
Real-time Temperature & Humidity Monitoring
Keep track of temperature and humidity levels with high precision, continuously reporting real-time data to the YoLink app. Manage your environmental conditions whether it's in your home, greenhouse, fridge or freezer, barn, bedroom, chicken coop, dog kennel, plant nursery, or child's nursery—anywhere you need it! Using YoLink’s industry-leading technology, this sensor monitors up to 1/4 mile in open air.
Smart Alerts
Set customizable thresholds for temperature and humidity through the YoLink App. Receive instant notifications if conditions exceed your limits, allowing for timely actions to protect your environment, whether it's for child safety, food storage, or plant health.
Additional Thermometer Hygrometer Features
LORA > WIFI! Longest Range
YoLink devices don’t use your WiFi, ensuring no crowding or slowing down of your network. Instead, they operate with a unique LoRa-based, long-range, low-power wireless protocol. Place smart devices in areas WiFi can’t reach—outdoors, several floors away, in fridges, or beyond WiFi range! Using YoLink’s industry-leading technology, this sensor monitors up to 1/4 mile in open air.
Customizable Alerts & Notifications
Stay informed with multiple alert options! Set custom thresholds for temperature and humidity, and choose to receive alerts via text, email, or push notifications. Apple users can bypass silent mode with "Critical Alerts," while Android offers similar options. SMS messages are limited to the total of 5 times each device plus 5. A hub and one sensor provides you with 15 free SMS per month.
Battery-Powered with Extended Lifespan
Powered by two AA batteries, the sensor delivers up to 5 years of continuous operation, depending on usage and environmental conditions. Receive real-time low battery alerts via the YoLink app, ensuring you're notified when it’s time for a replacement. Designed for convenience, its long-lasting battery life minimizes the need for frequent replacements, making it perfect for hard-to-reach areas and critical monitoring applications.
IFTTT & Alexa Integration
IFTTT: Trigger IFTTT applets based on high or low temperature set points reached (when device alerts).
Alexa: Voice query Alexa for the temperature only; humidity not supported at this time. Triggering Alexa routines is not supported at this time.
Compatible with Others
Alexa
If This Then That
Raedius
Hassle-Free Refunds
Return within 30 days for a full refund
2-Year Warranty
Have peace of mind with YoLink warranty
Easy DIY Installation
Simple and clear do-it-yourself installation
Lifelong Customer Support
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Hubs
First time with YoLink? Make sure to include a hub to begin your smart YoLink Home system, or take a look at our Starter Kits.