Aiphone Chime Com Door Answering Intercom. This dual master set includes a door station (C-D) and a 2 master stations (C-ML/A). Additional masters may be added.Each master requires a separate power supply, either the SKK-620 or 4 "C" batteries. The door station calls the masters by pressing a call button that initiates a chime. Communication is Push to talk/release to listen at the master and hands free at the door station. Communication times out after being idle for twenty seconds. Communication: Press-to-talk at room station. Dimensions: Room Station: 7 ½ x 5 1/8 x 1 ¾. Door Station: 4 ¾ x 3 7/16 x 1 1/8. Adds security and convenience to locked entrances. Easty to install, can use existing doorbell wiring. Melodic chime and caller talks hands-free. The item "Aiphone Chime Com Door Answering System C-123LW" is in sale since Tuesday, March 29, 2016. This item is in the category "Home & Garden\Home Improvement\Home Security\Door Entry Systems & Intercoms".security" and is located in Trenton, New Jersey. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Croatia, Brazil, Chile, Colombia, Bahamas, Viet nam, Uruguay, Antigua and barbuda, Aruba, Grenada, Saint lucia, Bolivia, Ecuador, Egypt, Iceland, Jordan, Cambodia, Sri lanka, Luxembourg, Maldives, Nicaragua, Oman, Peru, Paraguay.