• 7" Colour TFT-LCD Display• Feather-touch Keypad• Super Slim hands free Model with Memory(100 Snapshots)• Electric door lock release• High Resolution Colour Camera 720TVL, with excellent Night Vision• Monitor lobby/corridor from inside• Support Additional Indoor & Outdoor Unit• Surface Mount• Working Voltage: DC12V~13.5V• Working Temperature:-0C~+55C• Humidity: 10% ~90% RH