This is a very nice condition S30 thermostat that was previously installed.  Guaranteed to work or your money back and free return.  Comes with the sub base plate to mount on the wall and instruction book.

The Lennox iComfort S30 HD Display 2.0 17H17 Smart Thermostat is a high-tech home improvement product designed for precise heating and cooling control. This wall-mounted unit features a sleek black design and is manufactured by LENNOX, a trusted brand known for quality and innovation in the field of programmable thermostats. With its advanced technology and smart features, this thermostat is sure to enhance the comfort and energy efficiency of any home.