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)

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

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

tado° Wireless Temperature Sensor - Wifi Add-On Product For Smart Radiator Thermostat - Digital Temperature Control For Active Heating Control - Easy DIY Installation - Save Energy and Heating Costs

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

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

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

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

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

Honeywell HCF82 Remote Temperature and Humidity Sensor,White,162 X 120 X 50