The Fire Alarm Complex is a steel box, in which there are indication lamp, alarm bell and fire manual station. In order to match the installation requirement, two types of surface mounting and recess mounting type are developed. They can also be installed uprightly or transversely. Rush the button on fire manual station as soon as a fire accident found, the signal will be immediately transmitted to the fire receiver terminal. At the same time, the fire alarm bell will be ringing and the indication lamp will be also twinkling to give a warning.