@ 7-inch TFT

@ Pixel of TFT: 105600dots

@ Working voltage: DC 18V

@ Power consumption: Working, max 9W, holding, 130mW

@ Environmental temperature: -30 to 55

@ Power output: Equal or more than 5Mw

@ Degree of distortion: Equal or less than 5 Percent

@ 16-chord ring, 30 seconds for ringing

@ Function: Video intercom, long-distance unlocking and surveillance. External dimension: 255*168*30mm(wall-mount installation)