... 2.hands-free calls 3.300meters 3.5 inch Wireless video door phone intercom system 1.3.5 color LCD display2.hands-free calls3 ... include: Ding-dong,ding-dong, Love Romance,FOR ELFSE, Be home,( ),Romeo and Juliet.Garmen fantacy, Red River Valley, Congratulations, ... "no" and the “Camera “button to ensure delete , “Monitor” key to exit and back to standby 3.5 inch wireless video door phone intercom system