Swann 8-Channel Camera Security Monitoring System, 4 Security Cameras, 500GB HDDDVR, 1/3" TruColor Image Sensor, 728x488 Resolution, Up to 65' (20m) Night Vision Alpha D14 8 Channel DVR, 500GB Hard Drive Included PC & MAC Remote Viewing, iPhone, iPad, Android, and Blackberry Viewing via Free App 4 iWeather Resistant SwannTruColor (STC) 600TVL cameras with powerful night vision up to 65ft/20m 60' Cable per Camera Included 60 days recording achieved using lower settings, default settings give 7 days recording