... Support PAL / NTSC composite video.4) Support for D1 HD H.264 video compression, Support down to CIF, Half-D1 format ... for dynamic IP address, support LAN, Internet (ADSL, cable pass).10) Two-way of voice intercom, greatly reduce ... CompressionH.264 single-channel independent codingFrame Rate25 frame/s (PAL ), 30 frame/s(NTSC ), adjustableImage AdjustmentBrightness, contrast, hue, saturation ...