Audio: 2CH in 1CH out
Video: 4ch full D1
Hi3515A

▲Support P2P, iCloud, plug & play, UPNP setting needless
▲Support dual-stream, main stream guarantee image quality, sub stream guarantee high internet speed view
▲LOGO, language and model name can be easily modified by using buttons
▲Support all popular mobile phone monitoring and lots kinds of PTZ control protocol
▲Many kinds of VGA resolution, digital zoom and more than 20 lanugages, such as English, Finnish, French, German, Greek, Italian, Japanese, Polish, Portuguese, Russian, Spanish, Thai, S-Chinese, T-Chinese and Turkish, Vietnamese, Ukrainian, Romanian, Brazilian, korean
▲USB and internet backup, USB and remote control operation
▲BNC and VGA output, HDMI optional
▲Support manual/time/alarm/motion detection record
▲HDD: 1*2TB
▲Support lightning and static protection 
▲Own strong CMS, support 64ch view at the same time