Never come home to a cold house again! This innovative smart thermostat allows you to control your heating and hot water from anywhere using your smartphone. Item No.: WT-20 Programmability: 7days programmable Mode: Heating and cooling mode (Default heating mode)  Backlight: Black Material:  ABS+PC 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

This Smart thermostat for Electric heating has a elegant,sleeker design with a large square LCD screen ensuring an excellent user experience of temperature control.      Environmental ABS material      Attractive and Big LCD Display      Multiple modes control(Manual,Economy and PRG. Mode)      Water heating system(Max 3A)      7 days Programmable (4periods/day)      Clock display      86*86*17 mm dimension      Frost protection      CE, ROHS approved      2.4G WIFI      External sensor supported