... phone, alarming, viewing.. no user limited , centralized monitor, remote record and playback , Skype message alarm, Skype telephone alarmVGA(640 ... 36, 64,81-channel , no user limited , centralized monitor, remote record and playback , Skype message alarm, Skype telephone alarmSystemOperation systemEmbedded ... Weight1.3KGPackage size20*17.5*12(cm) H.264 wireless ip camera security with color cmos sensor