Programmable Gas Boiler Heating Thermostat Dry Contact Temperature Controller

Features:
High quality thermostat for gas boiler heating system, with touch buttons for simple operation.
LCD display with backlight to display data clearly, easy to read data even in the dark.
Weekly programmable and 5+2 six periods programmable to maximize comfort and economy, very flexible.
0.5C accuracy, keeping the comfortable temperature within the level you set.
Data memory function when power is off; keypad locking function.
Create thermostat group for centralized control.
App remote control, convenient for you to control your thermostat with your mobile device.
Voice control, compatible with Amazon Echo, Google Home, IFTTT.