YoLink 3-Piece Smart Temp/Humidity Monitor

This humidity sensor uses LoRa technology for long-range connectivity up to 1/4 mile. It integrates with IFTTT and allows temperature queries via Alexa. Its setup is straightforward with a direct ethernet connection and QR code scanning for device addition. The price drops from $69.99 to $39.99 when you clip the 20% off coupon on the product page. Shipping is free.

Clip the 20% off coupon on the product page. This deal is valid only for Prime members.