4 camera surveillance system. $500 includes everything, even installation! This system can handle 8 cameras, 4 are included. They are day/night and indoor/outdoor. Comes with 1 TB hard drive! You can watch the cameras right from your phone. If you're outside the Rockland area, just let us know and we'll give you a quote. Most other places in Maine are $525. We do other security related installations too. Email preferred but feel free to text or call.