Features:
● Software built-in: H.**4, add MP4 format on H**4，customer do not need to download any other audio players, it can be down with Microsoft audio player.
● Software built-in equipment ID number, do not use dynamic domain name and port mapping for remote control.
● Software built-in tooltip window function, multi-core functions, customer can do office work, entertainment, and monitoring at the same time.
● Software built-in NVSIP protocol, compatibility ****1 protocols: HIKVISION, DAHUA, HANBANG, GAOKE, compatibility ONVIF, ect.
● Software built-in disk capacity reserved function, effectively avoid unusual video situation when hard disk destroying.
● Software built-in mobile monitoring, Support android, apple mobile monitoring, *6 screen image synchronous preview. Apple mobile support audio player.
● Software built-in DIY combination function, can make own brand by yourself.
● Software built-in multi-user function, multi-customers can monitor on line at the same time. 
●Software built-in memory function, it will not loss any information when log out without any setting. Log in screen is the same with log out screen.
● Software built-in alarm function, email alarming and screenshot once external trigger alarm.
● High-strength aluminum alloy structure.
● Effectively prevent deforming and keep the structure stable.
● Dongle function, schedule detecting the operating status that prevent system halt and save user setting.
● The 3rd generation "Array" Light. The brightness of the infrared light can be changed along with the zooming; effective IR Range is ****0 meters at night.