Model No :AL-7104
Recording Resolution:4CH 720P realtime
Playback:1CH 720P  Realtime 
AHD DVR:DVR:4CH*720P/2CH*720P+2CH*960H/4CH*960H
Audio Input :1CH , Audio output: 1CH
Alarm:No
SATA HDD PORT:1*4T
3G/WIFI (Optional ) Yes
HDMI:YES
P2P: YES