About this item ENERGY STAR CERTIFIED. Honeywell Home Wi-Fi thermostats are energy-efficient without sacrificing performance. SMART HOME INTEGRATION. The Wi-Fi 7-Day is compatible with voice assistant devices like Amazon Alexa, Google Assistant, Microsoft Cortana, and more. THERMOSTAT THAT FITS YOUR LIFE. 7-day, 4 periods per day, flexible programming lets you sync your comfort with your schedule. C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter. SIMPLE INSTALL FOR A DIY PROJECT. The Wi-Fi 7-Day Programmable Thermostat is easy to configure and install yourself. C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter. COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required. Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present. Included Components: Circuit Breaker Included Components: Installation Guide, Mounting Hardware, RENEWRTH6580WF 7-Day Wi-Fi Programmable Thermostat. Show more › See more product details