Features: 

• Sound module with independent door panel and monitor adjusting volume levels.
• Wide-angle 106 ° colour camera with LED's for night vision..
• Video signal transmission over twisted pair or coaxial cable.
• Privacy on door open
• Acoustic acknowledgement signal at the door panel and coloured icons acknowledge the system status; call in progress, in communication, lock is activated, system is busy.
• Adjustable lock activation time