Wi-Fi thermostat Ranked "Highest in Customer Satisfaction with Smart Thermostat" by J.D. Power. Put your customers in control of their comfort. HD Touch Screen, Color Display, Illuminated Back Plate, Easy-Click Terminals, Geofencing, Smart Alerts, Compatible with Apple HomeKit, Amazon Echo and Wink, Contractor-On-Call, Multi Thermostat Control, Auto Changeover, Keypad Lockout, Universal Compatibility, Single Stage, Multi-Stage (4H/2C), Dual Fuel.