... . Dual-core CPU; Steady System Function;4. Playback, video, network transmission, mobile browsing, and backup etc. work ... 0 PortsPTZPTZ Control Support Preset, Patrol, PatternAlarmVideoMotion detection, Video loss detection, Temper detectionIO input/output4CH Input, 2CH outputalarm ... HDD)OtherWorking Humidity10%-90%Working Temperature 0°C ~ 50°CDimension (mm) 405(W) * 55(H) * 320 (D) Weight4 ...