NCB-540W It adopts MJPEG compression format, support 2 way audio, WiFi, built-in Pan/Tilt and IR lights, mobile phone view, provide alarm in and out interface, support UPNP and PPPOE, motion detection, email, FTP alarm etc.

NCB-546W Cube Camea，MJPEG，WIFI，Two-way Audio

NCH-536MW Mega Pixels H.264MP IR-CUT Two-way audio Day/Night Pan/Tilt SD Card Storage WIFI Mobile View

Mega Pixel IP CameraNCH-531MW H.264 compression format,Supports 720P video resolution,2 way audio,WIFI,32G SD,mobile phone view，provides 485 port,alarm in and out interface,supports UPNP,motion detection,E-mail alarm ,etc.

NCB-541W It adopts MJPEG compression format, support 2 way audio, WifFi, built-in Pan/Tilt and IR lights, mobile phone view, provide alarm in and out interface, support UPNP and PPPOE, motion detection, email, FTP alarm etc.

NCH-531W It adopts H.264 Main Profile@Level3.0 compression format, support 2 way audio, WifFi, SD (Max. 32G), mobile phone view, provide analog video output interface, alarm in and out interface, and 485 interface too, support UPNP, motion detection, email alarm etc.