The system is completely built on ARM cortex-A53 development board which has Linux operating system. The system will capture real time images and processes using Open CV libraries in Python. Detected faces are compared with existing data base of user and unrecognized faces are sent to users mobile with help of googles FireBase. Using mobile application user can send response back to server if the image of known person. Further action can taken like blowing the alarm or in emergency cases we can inform to the nearest police station.