【Voice Control & Convenient】When your hands are inconvenient, you can control the thermostat through voice commands. 【LCD Digital Display & Temperature Regulation】The gas boiler thermostat features a liquid digital display screen, allowing you to easily control the start or stop of the boiler and regulate the temperature. It detects the room temperature and automatically starts or stops the boiler based on the set temperature. 【Flexible Installation & Programmable】You can install the thermostat on a wall or place it in a suitable location. It can be programmed for 5+2/6+1 weeks, providing flexibility in scheduling. 【Child Lock & Antifreeze Function】The thermostat is equipped with a child lock function to prevent accidental operation. It also has an antifreeze function to protect against extremely low temperatures. 【Professional Installation Required】To proper installation, it is recommended to have a professional handle the installation. The thermostat comes with a protective film on the screen, which can be removed before use.