HT-CS08 is a elegant modern design Color Touch WIFI thermostat. It is designed for optimal indoor temperature control at gas boiler, air to water heat pump, air to groud heat pump underfloor control system. WiFi Remote Control  4inch Color Touch Display      Manual & PRG mode  Heat(Winter) & Cold (Summer) Mode  Water Heating System (3A)      7 days Programmable (6 periods/day) Anti-frost Protection  Child Lock  External Sensor (Optional) Zigbee Function (Optional) Customized User Interface (Optional) CE, ROHS certificate 

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