Night Owl's CAM-4PK-624 is a 4 pack of sleek indoor/outdoor hi-resolution security 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. Key Features- 600 TV Lines of Resolution for Clear Crisp Images. 50FT Night Vision & Facial Recognition. 3-Axis Vandal Proof Cable System. Easy Connection to any TV (RCA) and/or DVR (BNC). Compatible With all Night Owl Systems. 24/7 Technical Phone Support"