villas video door entry system

villa video door phone EK-M20 series contains EK-M20P,EK-M20PVR Digital 7" LCD screen with touch buttons, hands free, surface-mounted Built-in power supply solution 2: 1 doorbell and 1 CCTV camera work with 2 monitors Support room-to-room internal communication Support broadcasting to the other indoor monitors Support card (optional) Support saving images,video&audio with SD card Support recording videos&audio from doorbells automatically with SD card specification: Model:Ek-M20p screen 7" color TFT horizontal resolution 480TVL connection 4 wire maximum length of line connection 100m video channels quantity 2+1 additional monitors quantity 2 memory block connection built-in card slot Image capture support video&audio capture support DVR function support Lock control support power built-in power 12V 1A power consumption 12W standby power 0.8W Dimension 260*195*35MM