Origin	China
Model Number	KB818
Brand Name	Kingbell

The KB818 series is composed of master unit(desk top or wall on),calling buttons,dislay panels,urgent buttons,alarm lights,signal collector and computer.the master unit and calling buttons are basic component parts in the calling management system and the others are options.

FUNCTIONAL FEATURES

1,There are 7-segment light devices and LED indicator in the master unit.the 7-segment LED with 4digits is used for display calling number(user ID)or current time(hours and mins).the indicator will switch on when corresponding calling is happend,the master unit can drive 60calling buttons and can extend 96.

2,The master unit can call any calling button in the system and the calling button can also call the master unit.the calling buttons are managed as 3 levels,urgent,special and normal with calling priorities from higher to lower.calling priorities determine what calling is taking when more than one calling is pending simultaneously.

3,The calling buttons have individual user ID and can set in-circuit any time,they are used to give am alarm.calling and broadcast.

4,The display panel with single side or double side large size 7-segment LED is used for display current time or user ID and mount in public area usually.

5,The alarm lights can install on the wall out of the door,it will light on when corresponding calling button is calling for auxiliary indicator.

6,Computer management is available.

7,Paging system is compatible with this system when compter management is used.

8,System self-test can carry out automatically when power on every time.