This is a basic room thermostat for your house heater, like boiler.  With a dial button, easy to operate for older people or chidrens.   Item No.: HT-02 NP Non Programmable Dial Button Easy on/off mode Specification Temp. Range: 5~35℃ Temperature measurement accuracy: ±0.5°C    Power supply:  2x AAA 1.5V Alkaline Battery    

The battery thermostat is ideal to control the temperature of your household by control the boiler heating, and is very easy to use. Allows for the operation of heating / cooling equipment, when the temperature of the environment to be monitored is lower/higher than a user-preset reference temperature. Simplified installation steps with power supply by battery.  Item No.: HT-02 Programmability: 7days programmable 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  Cetificate: CE, ROHS, UKCA, REACH

This surface-mounted thermostat has been developed to be able to switch 2-wire boiler.  which is for upgrade for your old mechanical thermostat. Item No.: HT-16 Transmitter : 2*AAA battery Programmability: 7days programmable Temperature settings: 5°C ~ 35°C, 0.5°C increments Packing : Netural White Box, OEM acceptable Cetificate:CE, ROHS, RED