Night Owl's CAM-2PK-650 is a 2 pack of sleek, bullet shaped indoor/outdoor cameras that provide clear and crisp images at 650TVL Lines of resolution. These cameras will product a night vision image up to 50 feet away in complet darkness and will allow for facial recognition up to 50 feet away. Key Features: 650TVL lines of resolution for clear, crisp images; 50 feet of Night Vision and Facial Recognition; 3 axis vandal-proof cable system; Easy connection to any TV (RCA) and/or DVR (BNC). Campatible with all Night Owl Systems; 27/7 Tech Support