We are major manufacturer, supplier and exporter all advanced range of Wireless Nurse Call Bell System With 7 Bed Side Units in Delhi, Delhi, India. Deliverable- Remotes And One Display Unit. Display/Receiver consists of all solid state circuit resulting in high reliability. When a caller presses remote switch, the corresponding lamp/digital number on the panel will glow and there will be a 'audio alert-soft ding dong bell' . It is very simple & you can start using the system immediately.