... phone, alarming, viewing..no user limited , centralized monitor, remote record and playback , Skype message alarm, ... Firefox,chromeSuper Client1,4,9,16,25,36, 64,81-channel , no user limited , centralized monitor, remote record ... level are adjustable.Night visionEffects12 Φ10 leds IR distance 100mAudioEncode formatsG.711/G.726Inputone channel linear input / ... h.264 optical zoom camera night vision 100m