What is best NVR security system?

p class=MsoNormalspan lang=EN-IN style=font-size: 12.0pt; line-height: 107%; font-family: 'Times New Roman';Best NVR security system program helps in recording surveillance video to USB or mass storage device. Surveillance camera Singapore helps in just live streaming of video, but when connected with NVR system then it can record and save the footage./span/p