The Google Nest Learning Smart Wifi Thermostat (T3017US) is a programmable thermostat that offers smart control options such as voice commands, app control, and remote control. It is compatible with various heating and cooling systems including heat pumps, ductless mini splits, and wall heaters. The thermostat features a digital display, three heat stages, and adjustable thermostat settings. It also has built-in protection properties such as thermal and frost protection, and can be wall-mounted, flush-mounted, or surface-mounted for easy installation. The Nest Learning Thermostat is designed to optimize energy usage and provide efficient climate control for your home.