7 inch color LCD, Hands free, super thin design, metal outdoor unit, for single house and villa. manufacturer in Shenzhen Hands free, super thin designCMOS color camera, metal outdoor unit7 inch colour TFT LCDBeautiful indoor phonetwangs music ringfour wires connect outdoorResolution more than 380 TV lineworking voltage AC110V-240Vvideo output PAL or NTSCCalling out, surveillance, open door, ...