Honeywell Wi-Fi 7-Day Programmable Thermostat (RTH6580WF) Requires C Wire Works with Alexa for voice control (Alexa device sold separately). 7 day programming with 4 program periods per day can be configured to meet almost any scheduling scenario for ultimate flexibility Ability to view local weather from web portal or app, Wink App Ready - No Wink Hub Required. Works with virtually any system type. Note-c wire is required and is the primary power source for your thermostat. Without a c wire, your thermostat will not power up In the box you will find: Thermostat, Wall plate (attached to thermostat), Screws and anchors, Quick Start Guide, Thermostat ID Card, Wire labels, User Guide, Quick Reference Card Works with Alexa, Google Assistant, Samsung SmartThings, IFTTT, Yonomi, Wink, and Stringify (devices sold separately)