... 7inch TFT touch screen, 8cord ringer tone ZAD522 Functions: 10.4inch TFT color LCD display,Aluminum case; Flat screen touch, Video calling ... , and good function.*Delicate 7” large HD digital TFT LCD color monitor, true, and vividly transfers and records the visitor info ... °C~+70°C-25°C~+70°CAssurance humidity10%~95%10%~95%10%~95%Max extensions9999 Ext.9999 Ext.9999 Ext.Pixelnil420pixel420pixelFace ...