https://www.videxuk.com/product/vr4k-video-kits-coded-access/
VR4K Video Kits with Coded Access - Videx U.K. Ltd
1 and 2 button vandal resistant 4000 series colour video kits. The flexible design allows for the addition of up to a total of 4 entrance doors and up to 4...
video kitscodedaccessvidexu