... -520C-4New bule, red, white 7 inch LCD TFT One camera to 4 monitors Feature:1) New blue, with, red 7" ... LCD panel display, with high resolution and highcontrast ratio2) One camera to 2-12 monitors, the intercom can be shared ... degree, working humidity: no more than 85%. Specification:CAMERAMONITORLens1/4 CMOSMonitorBlue, white, red,silver 7 inch color TFTResolution380 LinesResolution960*234Illuminance0 ...