Security has becoming an important issue everywhere. Home, industries and vehicle security is becoming necessary nowadays as the possibilities of intrusion are increasing day by day. Safety from leaking of raw gas and fire are the most important requirements of home and industrie security system for people. A traditional security system gives the signals in terms of alarm. However, the GSM (Global System for Mobile communications) based security systems provides enhanced security as whenever a signal from sensor occurs, a text message is sent to a desired number to take necessary actions.. in this system use GPS and GSM. GPS finds location and sends location information where the fire occurs to nearest fire station and police station and also open emergency windows.in this system sends SMS which uses GSM- GPS Module (sim548c) and ATMEL89S51 microcontroller, sensors, relays and buzzers.