(prime) GoveeLife 2.0 3-Pack WiFi Hygrometer Thermometer $30 + Free S/H

deal [amazon.com]

$30 + Free S/H w/ code ES96KRY8

Smart WiFi Control: Monitor indoor thermometer data anytime, anywhere. The gateway can be connected through WiFi via the app, pairing up to 10 humidity temperature sensors. Boasts a 2-year battery life (Supports 2.4GHz Wifi networks only)
High-Precision Readings: The Swiss-made WiFi temperature sensor provides precise readings, measuring temperatures with ±0.54°F / ±0.3℃ accuracy and humidity within ±3% RH. Data is refreshed every 2s, ideal for wine cellars.
Remote Alarm: You can preset temperature and humidity values via the app. When the hygrometer thermometer sensor detects a change, you'll receive a notification via app and email, offering enough time to react through the alarm function.Only support gateway H5151/H5042.
Data Storage & Export: This humidity monitor uploads data to the app via WiFi and Bluetooth. View the temperature and humidity trend chart from the past 20 days and export data from the past 2 years. Ideal for greenhouses, farms, etc.
Compact & Portable Design: This indoor thermometer adopts a compact and stylish design equipped with a lanyard, suitable for any corner of the room, such as drawers, wine cabinets, guitar cases, etc.

$30