16CH 1080P AHD DVR, 4/1 Audio in/out, 4/1 Alarm in/out, HDMI & VGA Video Out, 2 SATA Port, DC12V 
Support AHD, Analog and IP Video input 
AHD and Analog input are self-adaptive
Third-party IP cameras supported with ONVIF V2.4 conformance 
Support 1 or 2 SATA HDDs, each HDD is up to 4TB, 2 USB2.0
4/8 channel synchronous playback
Simultaneous HDMI and VGA output, the resolution is up to 1080P 
Support free DDNS, e.g. HDCCTVDDNS 
Support UPnP,NTP,DHCP,PPPoE,RTSP
 Support mobile app access