FT-66  is a versatile and user-friendly smart thermostat designed to control both water underfloor heating valve and ceiling fan coil valve and fan coil unit at heating & cooling systems. Featuring a sleek and responsive touchscreen interface, this smart touch screen thermostat offers effortless temperature adjustments and remote control capabilities.       Attractive and Big LCD Display      Multiple modes control(Manual,Economy and PRG. Mode)      Water underfloor heating or cooling system(3A) or Electric underfloor heating system       EC fan coil unit control ( Optional)       7 days Programmable (4periods/day)      Clock display      86*86*16.1mm dimension      Frost protection      CE, ROHS approved      2.4G WIFI      External sensor supported

CH7100 High Resolution Color Touch Screen Digital Room Thermostats are multi-functional devices that offer a simple-to-use color touch screen user interface. This stand-alone digital room thermostat is designed to program and configure temperature control of a wide range of heating and cooling equipment in both residential and commercial applications. Item No.: CH7100 A c-wire is required for all systems Works with two stages of heating and two stages of cooling (2H/2C) Works with Heat Only and Cool Only system  Works with Heat Pump (With or Without Aux) Works with Amazon Alexa, Google Assistant Remotely control your home comfort from your smartphone Using the free mobile app for Android and iOS devices. 4.3 inch TFT Capacitive Touchscreen Display