Venstar Thermostat, Built in Wi-Fi, Colortouch, Humidity Control, Works with Alexa Works with Alexa for voice control (Alexa device sold separately). Controls humidification&dehumidification Dual Fuel Capable Adjustable Timers & Deadbands Monitor & Control the thermostats using your iPhone, iPad, Android and amazon(kindle fire and kindle fire phone) or blackberry phone.