Manual call pointis widely used in the public placesentrances and the exits. When something emergencyhappens,the site personnel can press the fire alarmbutton to send the alarm signalto the controller.Whenthe controller receive the signal,it will show the codeor the location ofthe alarm button and alarms. Once thestaff notice the alarm, they will take relative fire-fightingmeasures which can prevent the worse happeningThis item applies to hotel, restaurant, engine-room,bank,supermarket,warehouse,museum,library,office and other places.