Centralite 3-Series Pearl Touch Thermostat, White Compatible with All ZigBee HA 1.2 Platforms and has been tested to work with SmartThings, PEQ, Time Warner IntelligentHome, Cox Homelife, Bright House Networks Home Security and Automation and Rogers Home Monitoring Capacitive Touch Controls Easy DIY Installation by most homeowners in less than 15 minutes. Quick-connect wiring terminals eliminate the need for specialty screwdrivers or an extra set of hands. Save Energy, Save Money by adding connected home HVAC control, your home can be smarter about when it uses energy to heat and cool. Long lasting two-year battery life (with typical operation) 4-AA batteries (included) or common wire can be used for 24VAC.