This is a wireless smart thermostat which can be controlled with a remote, internet-connected device. Thermostats detect temperature changes for the purpose of maintaining the temperature of an enclosed area essentially constant.  Item No.: WT-02  Programmability: 7days programmable Mode: Heating and cooling mode (Default heating mode)  Backlight: White 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