Digital LCD Display: The gas boiler thermostat features an easy-to-read display powered by two 1.5V batteries, allowing you to control the boiler's start or stop and regulate the temperature. It senses the room temperature and operates automatically, starting when the room is too cold and stopping when it is too hot. Powered by a 5V battery, the thermostat can be placed anywhere you like without worrying about power sources or wiring complications. Programmable for 5 + 2 weeks: The programmable digital thermostat can be easily programmed for a 5 + 2 week schedule, allowing you to set different temperature preferences for weekdays and weekends according to your specific needs. Convenient Installation: The programmable digital thermostat can be easily installed on a wall or placed in a specific location. It offers flexibility in its placement options. Enhanced Safety Features: The thermostat comes with a child lock function to prevent accidental operations. In addition, it has an anti-freeze function to protect your heating system in low-temperature environments.