... Features:1. H.264 Real-time Recording, support USB, PTZ, network, two-way audio,Alarm, VGA;2. Support mobile phone live ... 12V/500mA power for each camera;4. Dual-core CPU; Steady System Function;5. Playback, video, network transmission, mobile browsing, and backup ... mouse, 1 USB2.0 for backupBackup DeviceUSB2.0 U disk/Network download /USB DVD-RWPTZ Control SupportAlarm input/output4 alarm inputs ...