It's a wifi digital room thermostat can be easily put on desk all around the room where you want.  Item No.: WT-16 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

This is a surface-mounted, easy installated wired boiler thermostat. With it's attractive touch screen user interface makes your home looks more fashionable.  Item No.: HT-20 Programmability: 7 days 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 Cetificate: CE, ROHS, UKCA, REACH

This is a wired digital programmable thermostat, which comply to your boiler. With a large LCD display, you can read the room temprature anytime, and to preset the schedule for everday.  Item No.: HT-11 Programmability: 7days programmable Backlight: White Mode: Heating and cooling mode(Default heating mode)  Material:  ABS+PC Packing : Netural White Box, OEM acceptable Other function: Child lock, Open window detection, Frost protection, Temp. calibration Optional: Opentherm protocol  Cetificate: CE, ROHS, UKCA, REACH