Zmodo 16CH H.264 Smart CCTV Security DVR 500GB HDD with Internet & Smartphone Monitoring Surveillance System View Video Online with No Service Fees - View your DVR's live or recorded video footage on any PC. Long time recording: - Base on the H.264 Compression, maximize the hard drives recording time, as well as transfer video for viewing over the internet. Network Remote Access - Access live video footage directly from your mobile phone or PC anytime anywhere Advanced Motion Detection Recording - This allows you record only when motion is detected. Provide 1 year warranty & lifetime tech-support