Description Anti-freeze function. Child lock to avoid handling errors. Wireless, powered by AA batteries, can be placed anywhere. Easy to install on the wall or place anywhere. You can set 5 + 2 programmable weeks. Product description Features: The gas boiler thermostat has a digital LCD screen. Powered by two 1.5V AA batteries. It is used to start or stop the boiler to adjust the temperature.The thermostat senses the room temperature, and when the actual room temperature is lower than the set temperature, the thermostat commands the boiler to start operating. When the actual temperature of the room is higher than the temperature you have set, the thermostat controls the boiler to turn off. Description: Material: ABS. Size: 85 x 85 x 28 mm. Sensor: integrated. White color. Backlight: blue or white. Operating voltage: 2 x 1.5V AA batteries (not included). Power consumption: