[Used. no original box]The Google Nest 2nd Gen Learning Smart WiFi Thermostat in Stainless Steel is a high-tech programmable thermostat suitable for furnaces. It features built-in WiFi, filter monitoring, and geofencing technology for personalized heating settings. With compatibility with various smart home systems like Apple HomeKit and Google Home, this thermostat offers convenience and energy savings. Its sleek silver design and digital control interface make it a stylish addition to any home.