This TFT color touchscreen programmable WiFi heating thermostat is a smart home device that allows you to control and schedule your heating system remotely using a WiFi connection. It features a colorful touch-sensitive display, which makes it easy to navigate and adjust temperature settings.        Attractive 4.3inch TFT Color Display      Multiple modes control(Manual,Economy and PRG. Mode)      Water underfloor heating or cooling system(3A) or Electric underfloor heating system       7 days Programmable (4periods/day)      Child Lock       Open Window Detection      Frost protection      CE, ROHS approved      2.4Ghz Tuya Smart Life APP       External sensor supported

This is a radio thermostat with F type radio socket provide convenience to control heating system remotely for room temperature. Build-in sensors in your room wireless thermostat detects when the temperature falls to a chosen level and then feedback to the heating system to turn on. It's an easy use thermostats. Item No.: WT-02 Programmability: 7days programmable Mode: Heating and cooling mode (Default heating mode)  Backlight: White Material:  ABS+PC Radio Frequence: 433/868Mhz Socket type:  F Packing : Netural White Box, OEM acceptable Other function: Child lock, Open window detection, Frost protection, Temp. calibration  Optional: Opentherm protocol, WiFi optional, Zigbee optional Cetificate: CE, ROHS, UKCA, REACH, RED