Ring Temperature & Humidity Sensor, monitor mold risk & indoor climate, get alerts for any room, stay connected via Amazon Sidewalk, no base station required

Price: $34.99 - $27.99
(as of Oct 25, 2026 23:02:49 UTC – Details)



Monitor indoor spaces — Track temperature and humidity levels in basements, attics, crawl spaces, garages, and more. Indoor use only.
Stay ahead of costly issues — Get alerts that help you catch mold risks or moisture swings early, so you can act fast.
No base station required — connects over Amazon Sidewalk for simple, flexible coverage throughout your home and beyond (Amazon Sidewalk required for use; coverage may vary).
This device provides general indoor temperature and humidity information only. Do not use readings for medical or safety decisions.
Customers find the temperature and humidity sensor’s readings accurate. However, the connectivity and functionality receive mixed feedback, with some customers reporting it works well while others mention compatibility issues with Alexa Routines. The humidity sensor also gets mixed reviews, with several customers noting it’s not accurate.