Security system is very important in modern era. Now-a-days every people are busy for their work in offices or work-places. In this project, GSM sms communication system is use to control all home appliances like opening/closing of door, power saving of all appliances. IR sensor is use to detect unknowing entering person. This is then connected to alarm and sms system. SMS system is use by using GSM module. This sms system will send sms alert to the owner about entering of unknowing person. We can check status of our remote offices/home/industries anytime, from anywhere around the world.