... . Dual-core CPU; Steady System Function;4. Playback, video, network transmission, mobile browsing, and backup etc. work ... multi-screen real-time preview, settings, backup and playback video through IE; 6. Recording Resolution up to 720P. ... 0 PortsPTZPTZ Control Support Preset, Patrol, PatternAlarmVideoMotion detection, Video loss detection, Temper detectionIO input/output4CH Input, 2CH outputalarm ...