Catalog > Consumer Electronics > Security & Alarms > Access Control > Video Doorphones Commax Surface Box Surface Box for DR-UM/US Panel [PI1225] CMX SMB-UM/US COMMAX SMB-UM/US SURFACE BOX FOR DR-UM/US PANEL [PI1225] Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE