Product Overview NVC-312 (hemisphere) -S is a fusion of video surveillance, motion detection project network camera alarm, intercom and other functions. Features 3MP-1 / 2.5 Lens 960P high definition cmos sensor resolution dual stream H264 compression technology two-way voice intercom 1 alarm input and output function 10 / 100M Ethernet ports to support mobile phone watch, support motion detection with infrared night vision function, support for lifting and wall way standard 3.6mm lens dynamic IP support agreements:. N-DISP and ONVIF protocol and the Plug and Play PNP protocol scenarios apply to finance, hotels, government, schools and other low light, there are activities Ceiling and require HD quality indoor places.