Night Owl Security CAM-2PK-DM624-BA 2PK Hi-Resolution 600 TVL Indoor Security Dome Cameras with 50-Feet of Night Vision and Audio (Black) Two- 600 TV Lines Resolution Dome Cameras Audio Enabled Cameras and Cables 50FT Night Vision & Facial Recognition Compatible With all Night Owl Systems 24/7 Technical Support 600 TV Lines Resolution Dome Cameras^Audio Enabled Cameras and Cables^50FT Night Vision & Facial Recognition^Compatible With all Night Owl Systems^24/7 Technical Support