... 100/200/400fps, full D1 high difinition multi language,audio,alarm,realtime DVR, DVR recorder, 4/8/16CHdvr ... 400fps, full D1 high difinitionmulti language,audio,alarm,realtime4CH video and 4CH Audio real time Recording and displayD1 ... 50sceneNTSC,30f/s,CCIR525line,60sceneAudioAudio input4ch audio input,impedance600Ω,RCAAudio output1ch audio output,impedance600Ω,RCABasic electricity outputLinearity ...