Implement energy-saving temperature control in your home with the charcoal Google Nest Thermostat. Compatible with most HVAC systems, this unit features a 2.4" IPS LCD screen, dual-band Wi-Fi and Bluetooth Low Energy connectivity, temperature adjustments for seasonal changes, and smart energy monitoring. Remote management is possible thanks to the Google Home app. Compatibility with Amazon Alexa and Google Assistant enables seamless voice control.Compatible with most 24V heating and cooling systems.HVAC system monitoring and alerts. Compatibility with Amazon Alexa and Google Assistant. Dual-band 802.11a/b/g/n Wi-Fi and BLE connectivity. 2.4" IPS LCD screen with mirror display. Savings Finder identifies ways to save and suggests tweaks to your schedule via the Google Home app. Quick Schedule enables you to program the thermostat via the app and make adjustments over time. Adjusts to seasonal temperature changes to accommodate your energy needs. Unit turns itself down when you're away from home. Motion, temperature, humidity, capacitive touch, and ambient light sensors.Works with multi-zone systems (one thermostat required per zone).