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 to 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 want 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 conditions. Features: * The gas boiler thermostat adopts a liquid crystal digital display screen. Powered by two 1.5V batteries. Used to control the start or stop of the boiler to regulate the temperature. The thermostat detects the room temperature, and when the actual room temperature is lower than the set temperature, the thermostat controls the boiler to start working. Then, when the actual room temperature is higher than the set temperature, the thermostat will control the boiler to stop working. * Convenient installation on a wall or standing in a certain place; * Powered by a 1.5V battery, it can be placed anywhere you want. * Can be programmed for 5+2 weeks. * Child locks to prevent accidental operation. * Anti-freeze function. * Please make sure a professional installs your thermostat. * There is a protective film on the screen. Please remove them if you want to use them. Features: *Material: Plastic + Metal. Color: As the picture shows. *Size: About 86 x 86 x 28mm. *Voltage: Two 1.5V batteries. *Power consumption: <170UW. *Current load: 3A. *Temperature adjustment range: 5-90. *Switching difference: 1. Ambient temperature: -5-50. *Protection case: IP20. *Non-flammable case material: PC, V-0. *Sensor: Sensor integrated. * Application: underfloor heating. Package contents: 1 thermostat. 2 fixing screws. 1 English course.