Video Door Bell is widely used in apartment,Website:://.anessbreaker.com, hotel, villas, office, building and so on. VDP type is composed of outdoor camera, indoor monitor such two parts. The outdoor camera is easy to install, you can use the indoor monitor where the wire signal can reach. Indoor monitor can be hanged on the wall.handfree indoor monitor,7 inch TFT,clear image.intercommunication,monitoring the outdoor,unlock..Intercommunication is available between indoor and outdoor unit.. Brightness, chroma and ring adjustable.SpecificationOutdoor cameraP/NVDP-V04C2VDP-V10SVDP-V11VDP-V13Working Distance of infrared Light>4m>4m>4m>4mOperating Temperature-15℃~ 50℃-15℃~ 50℃-15℃~ 50℃-15℃~ 50℃Illumination2 LUX2 LUX2 LUX2 LUXResolution>600 TV lines (CCD)>780 TV Lines (CMOS)>600 TV lines (CCD)>780 TV Lines (CMOS)>600 TV lines (CCD)>780 TV Lines (CMOS)>600 TV lines (CCD)>780 TV Lines (CMOS)Viewing Angle90° wide angle90° wide angle90° wide angle90° wide angleMaterialPlasticMetalMetalPlasticInstallationSurface-mountLay-inSurface-mountSurface-mountDimension150*100*30mm174*96*27.5mm180*105*55mm114*114*35mm