WT-11 is a wireless gas boiler room thermostat with which is a kind of convenient way to remotely control heating systems in domestic and commercial buildings. Item No.: WT-11 Programmability: 7days programmable Mode: Manual Mode, Away Mode, PRG Mode  Color:  White  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