DOORPHONE for VoIP SIP PBX 4 buttons 2 relays for door opener, PoE included, elegant
and compact aluminium model indoor / outdoor, weather resistant, anti-humidity and
anti-condensation internal heating, LED backlighting, High Audio quality, front screws
with special vandal proof footprint. Plug & Play, supplied with manuals and accessories.
Basic system expandable up to 12 buttons or keypad, indoor/outdoor use.
1 year warranty