Programmable Digital LCD Thermostat: This thermostat has a digital LCD display screen and is powered by two 5V batteries. It is designed to control the start or stop of the boiler, regulating the room temperature. When the actual room temperature is lower than the set temperature, the thermostat activates the boiler to start working. Conversely, when the actual room temperature is higher than At the set temperature, the thermostat controls the boiler to stop operating. Convenient Installation Options: This thermostat can be easily installed on a wall or placed anywhere you want. Its versatility allows for flexible placement options to meet your specific needs. Battery-Powered Portability: Powered by a single 5V battery, this thermostat can be placed anywhere you want. It offers the advantage of being portable and flexible in terms of positioning. 5 + 2 Week Programmable: Designed for convenience, this thermostat can be programmed for a 5 + 2 week program. Set different temperature levels for weekdays and weekends to match your lifestyle and save energy.