... Video Server One channel CIF, one channel D1,2 channels CIF, 2 channels D1, 4 channels CIF,4 channels D1 ... IP/Wifi IP Video Server 1/2 channels optional AESUN Optional model: One channel CIF, ... one channel D1,2 channels CIF, 2 channels D1, 4 channels CIF, 4 channels D1 ... being reconnect interrupts IP/Wifi IP Video Server 1/2 channels optional AESUN