Description Antifreeze function. Child lock to prevent accidental changes. Cordless design powered by AA batteries, allowing placement anywhere. Easy to mount on the wall or place on a flat surface. 5+2 daily programmable schedule for flexible temperature control. Features: Digital LCD display. Powered by two 1.5V AA batteries (not included). Automatically controls boiler operation to maintain desired room temperature. When room temperature falls below the set level, the thermostat signals the boiler to start. When the room reaches the set temperature, the thermostat stops the boiler. Integrated temperature sensor. Material: ABS. Dimensions: 85 x 85 x 28 mm. Color: white. Backlight: blue or orange. Operating voltage: 2 x 1.5V AA batteries (not included). Low power consumption. Package Contents: 1 x Thermostat 2 x Mounting screws 1 x Instruction manual in English