Battery-Powered 2-Wire WiFi Thermostat for Gas Boilers, Tuya Daily Programmable Thermostat, Compatible with Google Assistant& Alexa Voice Control. W506 3A (Fits 503 Junction Boxes) Black

Boiler thermostat: For heating boilers connected via dry contacts, the on/off of the boiler is controlled by setting a temperature and comparing the difference between the set temperature and the actual room temperature.
Daily personalized programming: You can make personalized settings for each day of the week, with 6 time slots per day, to meet your different heating needs every day, 7 days a week without rest.
APP and Voice Control: Use the Tuya Smart or Smart Life APP to remotely control your heating system through a simple step-by-step WiFi connection, or set the temperature via Alexa or Google Home (only supports 2.4ghz WiFi).