Zone technology Ltd is locted in the gulf region and they have office in Bahrain, Qatar, UAE and Oman. Zone technology are specialised in biometric systems, alarm systems, security systems, surveillance systems, security locks, electromechanical locks, intercom systems CCTV systems and closed circuit television systems. Wireless TVD-9000W Intercoms can be fixed in the outdoor and are one of the best choices to reinforce security and crime prevention. Wireless IntercomTVD-9000Ws have some kind of features, such as outdoor cameras that can be used in indoor wireless monitor, video and audio communication system and wireless remote door opening. These monitoring systems, which is used to check the situation outside without someone ringing the doorbell is the advanced technology used in Wireless IntercomTVD-9000W. Fm radio has a volume control. The low battery alert function informs the user about the battery’s charge. The main purpose of Wireless IntercomTVD-9000W is for internal communication between the rooms under the same roof. One touch key buttons have been serviceable in Wireless IntercomTVD-9000W provides convenient use and the automatic lock closes the door automatically and this mode can be changed easily to the manual mode.