Аннотация:Fire is one of the prime causes of accidental death in the world. Severe injuries, property losses and environmental pollution are happened by fire accidents. We are unable to control problem due to undeveloped fire alert systems and lack of synchronization with advanced technologies. Time delay, false alarm and inaccuracy make traditional electronic fire alert systems insufficient to fulfill our requirements. There is need to develop more accurate, wireless, real time, automatic fire alert system that gives information like degree of fire or spread of fire, location of accidental site etc. Presenting system is designed to fulfill user requirements which consist of micro-controller, RF module, GSM and two types of sensors. System is initialized and set the longitude & latitude of location by switches as well as Temperature & IR Sensors are placed at appropriate locations in building to determine fire-happening then Wireless communication is made possible by RF module, If fire is detected then micro-controller are used to calculate fire affected area and quantity of extinguisher required by preset data. This information and URL address of affected location is send to fire control office by GSM module. GOOGLE MAP is used to trace the affected location and timely rescue operation is made possible. Presenting system is more efficient, robust and low cost than to existing one and can be used rigorously.