3 Piece US Patrol Security Sensor Activated System Stops burglars like an expensive video security system at a fraction of the cost! One simulated camera pans to the left and right and the other is fixed. The motion detector alarms flash and sound off when activity is detected in their area.Features: Built-in sensors detect intruders Protects 3 separate areas Adjustable angle mounting brackets Suggested use: Place alarms inside or outside your house Place cameras outside your front door Install outside your garage Install outside your business or store