The Ebelco audio intercom system is a very rugged and outdoor intercom system that can withstand the most adverse weather condition. It is most suitable to be use as a replacement for door bell to intercom. Very suitable to be use in most residential house example, Terrace / Semi-detach and even bungalow houses. This system can easily replace most existing intercom system as it use only 2 wires from the door station to the handset. To make the installation every easier the entire system is powered by 4 AA batteries.