Network camera server 4 way camera input, 4 way audio frequency input, 1 way audio frequency output, 4 way invariable alarm input, 1 way switch alarm output; 2 way camara input, 2 way audio frequency input, 1 way audio frequency output, 2 way invariable alarm input, 1 way switch alarm output; 1 way camara input, 2 way audio frequency input, 1 way audio frequency output, 2 way invariable alarm input, 1 way switch alarm output; Various ptz control agreement choice: Standard mpeg-4 camera compressed format, can renew high definition picture quality based keeping baud rate. Standard mp3 audio frequency compressed format Support d1 half-d1 cif Inner set web server, the full operation through browser, operate simple, convenient. User administer adopt 3 step password Move sense / date/ time/ affair touch off alarm input and output Support local kinescope Support picture shield Support picture taken