... format 3. Support sound and light alarm 720P 1.0MP Module 3G (WCDMA)/ WIFI optional a. 1/4’’ 1.0 Megapixel ... ×720Sub Stream: 640×360, 480×270, 320×180Analog Output1 analog video output ,CVBS supported, PAL/NTSC (configurable)Audio Interface1 CH audio ... or G711 codec standard, two-way voice talkback, audio and video synchronization.Storage Function1 USB interface ( Max: 64G) , front storage supported ...