• The Nest 2nd Generation Learning Silver Programmable Thermostat is THE CLASSIC ORIGINAL LOOK.
• Installation manuals are included.
• Sleek and modern device that uses machine learning to optimize your heating and cooling systems. With a round shape and digital control style, this thermostat is easy to use and program. 
• It is powered by batteries and has a 4-wire wire configuration, making it compatible with most heating and cooling systems. 
• The silver color adds a touch of elegance to any room, while its smart home compatibility with Amazon Alexa allows for convenient voice control. This programmable thermostat is designed to save energy and improve comfort in your home.