... MPTS stream.Support MPEG-2 MP @ ML (4:2:0) coding; High-fidelity audio processing R / L channel, stereo input; Output ... or dual-channelResolutionStandardCompliance with CCIR601 standard,support 1/2D1,2/3D1,3/4D1PAL720576,704576,640576,544576,480576,384576,352576NTSC720480, ... FeaturesSize44mm482mm390mmEnvironment0 ~ 45operation-20 ~ 80storagePower 220VAC±10%,50Hz,25W 4 channel in one MPEG2 Encoder