Alpha Smart Thermostat with Voice Control, Connected Control Smart Phone Wi-Fi Thermostat, Touchscreen Color Display, DIY, Built-in Alexa. T18UTW-7-WIFI.

BUILT-IN ALEXA: Control your thermostat using your voice with built-in Alexa. Ask to play music, hear the news, set a timer, adjust the temperature, and so much more,7-day flexible scheduling.
COMPATIBILITY REQUIRES C-WIRE: Extensive compatibility, with HVAC equipment found in most homes. ALL system types require a common wire (C-WIRE).(c-wire include).(Tips,The product include an Electric Control Module）
EASILY INSTALL YOURSELF: Pluggable Module design, make DIY more effiiently. It only takes about 45 minutes or less with video walkthroughs and a step-by-step guide on the SASWELL specification, Because our installation guide provides detailed installation steps.
ENERGY SAVINGS: Homeowners save up to 23% annually on heating or cooling costs. Conventional heating and cooling: Gas furance, Air conditioner, Electric furnace, Boiler Heat only: Gas furance, Electric furnace, Boiler Cool only: Air conditioner Heat pump, Humidification, Dehumidification, Fresh air auxiliary equipment.
【Wi-Fi CONNECTICITY FEATURE】: Remotely control your home comfort from your smartphone using the free mobile SASWELL APP for Android and IOS devices.Connect it with thermostat app on your smartphone with Android or iOS,program it easily.please noticed the thermostat app do not support Windows OS,only support Android and IOS smartphone.（Wi-Fi Connectivity 2.4 GHz）