... can support voice intercom function.NVR3808V: 8 channel@D1, 8 channel@720P, 4 channel@1080P IP camera inputs, It can ... 8MbpsUp to 16MbpsUp to 32MbpsRecording QualityCBR, VBR(1~6 level, level 6 is the best)Recording ModeManual, Schedule(Regular(Continuous ... & Screen tipsMotion DetectionZones: 396(22×18), Sensitivity: 1~6 (level 6 is highest)Video Loss & Camera BlankSupportAlarm Input4 channel8 channel16 ...