Zmodo 16 Channel DVR H.264 D1 3G Remove Support No HDD Surveillance Kit  ZMD-DR-SFN6 This great 16 channel surveillance DVR ZMD-DR-SFN6 features advanced technologies including standard H.264 Compression, SATA interface, input/output for video/audio/alarm, network access and mobile view. Support mobile phone based on Windows Mobile, Symbian 3rd 5th, blackberry 4.6, Android 1.5, iphone iOS 3.0 Recording Mode: Continuous/ Schedule/ Motion Detection/ Sensor Triggered/ Remote Network