TRANE Thermostat, Z-Wave, Works with Alexa Works with Alexa for voice control (hub required, Alexa device and hub sold separately);7 day programmable with up to 4 schedules per day. Only supports single stage (Y1) cooling Remote Control: Monitor and adjust your home's temperature and reduce energy consumption through your smartphone, tablet, or PC Easy install: Most people install the Trane XR524 thermostat in 30 minutes or less. NOTE: A 24 Volt common and hot wire MUST be connected to the control for operation. See manual for more details. Use It On The Go: The XR524 is Z-Wave compatible for use with leading home automation systems such as Nexia Home Intelligence. Communications: 908.42 MHz (Z-Wave RF) Filter and Maintenance Reminders: Send maintenance notifications and filter alerts to help extend the life of your HVAC system