It is a system which control elevator access for security purpose. It works by installing card reader inside the lift. Authorized user need to shoe their card to card reading machine, which in turn activate and allow the access of particular floor. It only allows the access of that particular floor of the building for which the authorized user has access card, buttons of the remain floor in the elevator remain deactivate. This product is use in highly secured area eg. Where highly valuable, confidential products or objects are kept. We at PDI offers you hassle free installation of Elevator controller.