Addressable fire alarm system Supply and equipment of more than 3000 devices, including: detectors, knobs, sirens, flashers, interfaces, etc. The construction plan of the Middle East Diamond Swan Complex was implemented in 2008 on a land with an area of 43,000 square meters. The Middle East Swan Diamond Complex has achieved all the commercial, residential, residential, tourism, cultural, sports and recreational goals of domestic and foreign tourists. The Middle East Swan Diamond Complex consists of three towers, two of which are for residential and commercial use, and the third tower is a 38-storey luxury hotel. In the space between the residential towers and the hotel, there is a sports complex. Each residential tower has 21 floors.