Featuresr pnp plug play one key wifi connectionr mobileremote ulock open the door lock on mobile phone no worry when you forget the keysr handsfree audio talking with full duplex 2 way audio let you have realtime handsfree talkingr hd moniter 720pvgaqvga 3 levels stream automatic switch according to the phone signalr ir daynight vision built ir cut 6pcs led light help you to correct the color and view clear at nightr pirmotion detection alarm can send alert to mobile phone