Nest thermostat vs Ecobee

ZIGBEE 3.0: Works with compatible Zigbee hubs or Echo devices with Zigbee hub built-in, such as Echo (4th Gen), Echo Plus (1st Gen and 2nd Gen), Echo Studio, Eero 6, Eero Pro 6, SmartThings 2015/2018, Aeotec, Hubitat, Home Assistant, Homey Bridge, Homey Pro and Third reality Hub. NOTES: ZigBee Hub is required and sold separately.
LCD DISPLAY AND ACCURATE MEASUREMENT: It is a ZigBee Smart Thermometer Hygrometer equipped with high-definition LCD display, ensure better and quickly readings of temperature, humidity and battery power information. Refresh every 20s make it more accurate, with ±1℃ accuracy in temperature from -10℃~50℃ （14℉~122℉） and ±2 % in humidity from 0-95%. Indoor use only.
APP REMOTE MONITORING AND DATE RECORDS: You can not only monitor your home temperature and humidity wherever you are, but also check the temperature and humidity history records and battery life in Apps. No worry about the pets and plants left alone at home. Note: Alexa APP can only display temperature but no humidity.
HOME AUTOMATION: Build your smart home with THIRDREALITY temperature and humidity sensor. You can set an alarm when the temperature is too high or too low. Or create a routine to automatically turn on the air condition or fan when the temperature is above 27℃. In SmartThings, Home Assistant, Hubitat Apps you can create additional routines with humidity, like when the humidity is below 40%, start the humidifier.
BATTERY LIFE: Ultra-low power consumption, supper long-lasting. 2 AAA batteries can last for 1-year in typical usage.
More Smart Assistant Supported: Enabled by Smart Bridge MZ1 (Sold Separately), integrates with Apple HomeKit, Google Home, Amazon Alexa (Smart Speaker required) and SmartThings, to achieve easy control and monitoring. Additionally, it supports software OTA (Over-The-Air) updates.

NOTES:ZigBee Hub is required and sold separately. Alexa app can only display temperature but no humidity.
Support Access Matter:through THIRDREALITY Smart Bridge MZ1 can be compatible with more platforms, such as Amazon Alexa, Google Assistant, Apple HomeKit and more,for seamless smart home integration.
Zigbee Standard Compatible:Works with compatible Zigbee hubs or Echo devices with Zigbee hub built-in, such as Echo (4th Gen), Echo Plus (1st Gen and 2nd Gen), Echo Studio, Eero 6, Eero Pro 6, Home Assistant, SmartThings 2015/2018, Aeotec, Homey, Hubitat, Homey Bridge, Homey Pro and Third Re. ality hub, ality hub, ality MZ1, Compatibility is assured for equipment mentioned.For items not listed, their compatibility remains unconfirmed, so we advise proceeding with caution.
Accurate environmental monitoring:Utilizes high-quality sensor from the industry-leading manufacturer, Sensirion. Refresh every 5s make it more accurate, with±0.3℃ accuracy in temperature from -15℃to 50℃ (5℉ to 122℉) and±2% in humidity from 0-100%. Experience unmatched temperature and humidity reading accuracy.Designed exclusively for indoor use.
Enhanced Home Automation: Utilize the device to automate your home’s climate control. Set alerts for extreme temperatures and automate your HVAC or fans to activate when the temperature reaches your set threshold. Humidity-based routines, such as activating a humidifier when the humidity falls below 40%, can be managed via compatible smart home apps like SmartThings, Home Assistant, and Hubitat.
Wide Application, Long Battery Life:This product has a simple design and a 3M-rated adhesive backing that ensures it can be placed anywhere:in basement,greenhouse,pet house,greenhouse, wine cellar, monitoring a humidifier or thermostat in baby nursery and more. Only 2 AAA batteries are required for at least 2 years of normal use. Ultra-low power consumption, supper long-lasting.
Remote Monitoring and History:With the device’s smart capabilities, monitor your home’s temperature and humidity from anywhere via compatible apps. SmartThings and HA users can access historical data, in addition, THIRDREALITY App provides a month of historical data to keep you in the perfect climate in your home. to understand trends and ensure your home’s climate is optimal for your comfort and the health of pets and plants.