Best Smart Temperature Sensor

Govee WiFi Digital Hygrometer Thermometer 3 Pack, Indoor Outdoor Smart Gateway Room Temperature Humidity Sensor, Wireless Temp Gauge with App Alert, for Home, Greenhouse(not Support 5G WiFi)

ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible with ecobee Smart Thermostats for Home

GoveeLife WiFi Thermometer Hygrometer H5103, Indoor Bluetooth Temperature Humidity Sensor with Electronic Ink Display, App Notification Alert, Free Data Storage Export, Digital Remote Monitor for Bedroom

Govee WiFi Digital Thermometer Hygrometer, Smart Indoor Humidity Meter Temperature Sensor with App Notification, 2 Years Free Data Storage, Remote Monitor for Room Greenhouse Incubator Wine Cellar

ecobee EB-STATE6P-01 Smart Thermostat Premium

meross Smart Temperature Controller Thermostat Monitor Control Heating Cooling 120V 15A 1800W, Works with Apple Home, Alexa, and Google Home, Incubation Reptiles Green House

ecobee3 Lite Smart Thermostat - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - DIY Install

WiFi Temperature Humidity Sensor with Buzzer and Email/Text Alerts

TP-Link Tapo T315 Smart Sensor Temperatura/Humedad

Google Nest Temperature Sensor - Nest Thermostat Sensor - Nest Sensor That Works with Nest Learning Thermostat and Nest Thermostat E - Smart Home, White