It is also known as radio frequency identification. The core is radio frequesncy, which is used in many forms. It is most common form of identification where by person will carry a card or token having rfid tag. This token or tag is unique in the sense it had very particular identification number which will not be matched. Rfid
Home burglar alarms are often systems assembled from inexpensive infrared detectors that the home owner or the security contractor will install in front of all the windows and doors in the house. These infrared sensors are designed for indoor use only and should not be used outside. The cost of installing outdoor sensors is higher and false alarm prone. A more complete home alarm also includes magnetic sensors on the doors and windows. These sensors will alarm the system when a door or window is opened. These sensors do not protect against glass breakage, but additional glass break detectors can also be used. The sensors are connected to a control panel that is operated by a keypad. The control panel processes intrusion signals and rings sirens and/or communicates to a monitoring service which then calls the owner and/or police department. This is the basic form of home alarm system.
View and talk to visitors from inside your home, then let them inside with the press of a button! This high-quality video doorphone system provides an elegant, self-contained package for entrance monitoring. When a visitor presses the button on the door unit, the monitor screen turns on and a chime tone plays. To converse with your visitor, simply pick up the handset and talk. You can even let your guest inside by pressing the "open" button to unlock the door electric door strike required for this feature (sold separately).
Parasnath Electronics Pvt. Ltd. Exporter and manufacturers of proximity sensors, magnetic proximity sensors, magnetic security sensors, magnetic float level sensors and other security sensors for use in offices, banks, shops as well as home.
Prime Technologies (P) Ltd. Manufacturer and exporter of cctv camera, ip cctv camera, fingerprint attendance readers, biometric time attendance systems and access control cum proximity card readers.