VisionPRO ThermostatAllnew VisionPRO 8000 with RedLINK technology. Residential or commercial use. 7day programmable. Up to 3H/2C heat pump or up to 2H/2C conventional Works standalone or with the THM5421R1021 Equipment Interface Module (EIM).Features: Now works in virtually any residential or light commercial setting Three flexible ways to install, which helps you solve a variety of wiring issues Wired directly to the equipment 2wire or wireless with an Equipment Interface Module (EIM) 2wire or wireless with True ZONE Plain language, onscreen setup helps reduce install errors and eliminates the need for a manual Allows installers to copy the Installer Setup from one thermostat to another with a microSD card Onscreen dealer information displays with customizable alerts, encouraging repeat business RedLINK Internet Gateway with Total Connect Comfort Services Allow users to remotely monitor and control their heating and cooling systems anytime, anywhere. Free apps are available for both Apple and Android devices.