Indoor Dome Wired IP Camera, H.264, CMOS 300k pixel, 3.6mm lens, ... ,25,36, 64,81-channel , no user limited , centralized monitor, remote record and playback , Skype message alarm, skype telephone alarmSystemOperation systemEmbedded ... size170 x170x 170mm (L*W*H) PNP H264 Indoor Dome Wired IP Camera