... . 3G (WCDMA)/ WIFI optional, POE optional.i. Free Client Software (UC2), Free SDK Model 720P 1.0MP ModuleSystem StructureEmbedded LINUX RTOS ... Stream: 640×360, 480×270, 320×180Analog Output1 analog video output ,CVBS supported, PAL/NTSC (configurable)Audio Interface1 CH ... or G711 codec standard, two-way voice talkback, audio and video synchronization.Storage Function1 USB interface ( Max: 64G) , front ...