Best Smart Temperature Sensor

Tapo Smart Hygrometer, Thermometer & Humidity Meter, Free Data Storage, Real-time Notifications, Battery included, Work with Alexa and Google home, Tapo Hub Required sold separately, White (Tapo T310)

tado° Wireless Temperature Sensor - Add-On For Smart Radiator Thermostats, Easy Diy installation

Netatmo Weather Station Indoor Outdoor with Wireless Outdoor Sensor - Compatible with Amazon Alexa & Apple HomeKit, NWS01-EU

2 Pack SONOFF SNZB-02D Zigbee LCD Smart Temperature Humidity Sensor,for Remote Monitoring and Home Automation, Wireless Thermometer Hygrometer, Works with Alexa/Google Home, Battery Is Included

X-Sense Smart WiFi Hygrometer Thermometer, Wireless Temperature Monitor Humidity Sensor with Notification Alert, Free Data Storage Export, Compatible with Alexa, for Greenhouse, Home, Office

Govee WiFi Room Thermometer Hygrometer, Wireless Smart Indoor Temperature Humidity Sensor with Alert and Data Storage, for Baby Home Garage Greenhouse

Eve Weather (Apple Home) - Connected Weather Station for tracking temperature, humidity and barometric pressure, weather trend, IPX4 water resistance, display, Bluetooth, Thread

Netatmo Smart Indoor Air Quality Monitor (temperature, humidity, noise and CO2 sensors), NHC-UK

GoveeLife WiFi Room Thermometer Hygrometer 3Pack, Wireless Smart Indoor Temperature Humidity Sensor with Alert and 2 Years Free Data Storage, for Baby Home Garage Greenhouse

Aqara Temperature and Humidity Sensor, REQUIRES AQARA HUB, Zigbee, for Remote Monitoring and Home Automation, Wireless Thermometer Hygrometer, Compatible with Apple HomeKit, Alexa, Works with IFTTT