Videx 4845M - 5 Button Module
The Videx 4845 5 Button Module - 4000 series
Features:
 
5 call button module matt finish 
Stainless steel for modular door panels
Also available in aluminium finish (A) or polished finish 
Buttons are sealed with "O rings" for improved weather-proofing
Calling contacts are microswitches that give a tactile feel
Each button has a blue back lit name plate and also has a changeable name insert