Description
A vandal resistant 1 button intercom kit complete with 3111 white ABS plastic wall mount telephone and 520M PSU.
Facilities include, electronic call tone with three postion volume control on the handset, dry contact lock relay output, Yellow Speak/green Door open LED's on the door panel, push to exit input and reasurance tones.
4000 Series audio kit complete with door panel, 4 x 3111 handsets and 520M PSU. Features include call tone, lock release and illuminated name plate.
Add an S to the end of the code for surface door panels.
Change the 1 in the code to the number of buttons required (i.e. 10 buttons would be 4K10)
