This smart thermostat has been developed to be able to control your heating and hot water from anywhere via your smart phone.  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.    Attractive round outlook         Adjustable Comfort, Energy-saving, Party, Away and PRG. mode control         Water heating system(3A)         7 days Programmable (6 periods/day)         Colorful screen & Touch button         86*86 mm standard mounting         Frost protection         CE, RoHs approval