... 4 2000GB SATA HDD, Mouse, Specifications4 CH video input, 4 CH Audio input, 2 CH Alarm input, Rosultion: 720x576, H. ... and Event (Alarm, Motion) Notification• Full duplex two CH audio transmission• Mobile monitoring (3G) and E-mail notificationSpecifications ... 16-CH(switching capacity)8-CH (switching capacity)4-CH(switching capacity)Alarm output:4-CH(switching capacity)4-CH(switching capacity)4-CH( ...