Comax DP-2S / DR-2K   
1 to 1 Audio Door Phone 

This door phone security system package consist of
1 unit DR-2K (as door unit)
1 unit DP-2S (as room unit).
Door unit is typically installed near the door.
Room unit is typically installed inside a secured room.

Commax intensive R&D and quality control has made Commax a global top brand
delivering exceptional good quality product to over 100 country world wide.
Commax is the brand of confidence in door phone and intercom equipment