Night Owl's CAM-2PK-DM624-BA is a 2 pack of Black indoor hi-resolution security Dome cameras that provide clear and crisp images at 600 TV lines of resolution. These cameras will produce a night vision image up to 50FT away in complete darkness and will allow for facial recognition up to 50FT away. They have an IR-Cut filter that delivers high quality and clear crisp day or night vision images. In addition, both cameras come equipped with a built in microphone that will record audio up to 20FT away. Key Features: 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"