The N-XC65-WP is an IP audio window intercom with water resistant property for the speaker. The master unit housing is made from solid aluminum used on the remote station. The face cover is aluminum as well and a glass resistive touch pad for control buttons. The external speaker has a solid aluminum enclosure case with a circular perforated steel grille. The External intercom speaker shall hold a IP65 rating. The kit shall include a base window intercom with microphone pole, and external window intercom. The speaker shall connect to base via intercom interface. There will also be a four line cable with the following connection; Power interface, to connect with DC 12/2A power, communication interface connect with the IP network HD recording host, an analog audio input interface; output analog audio, connect with DVR or IP camera and an external window intercom interface. Power supply will be DC 12V 1.5a. Network protocol compatible with TCP/IP, UDP, ARP, ICMP, IGMP, FTP. The audio shall produce a frequency response of 20 Hz – 16 KHz. Working temperature of between -15°C - +55°C. the dimension of the intercom base 160 (L) x 95 (W) x 46.5 (H) mm while the external speaker is 102 (L) x 79 (W) x 24 (H), (length of cable from external speaker is 1400mm. Option 25’ extension cable for long runs