LC-F7107 elevator floor display Adder is installed in the elevator car roof, flat floor by the elevator signal acquisition, the host microprocessor operations, will run the floor number and the number of elevators, up and down and stop characters such as real-time status to , graphically superimposed on the image the camera in the car equipment. Provide a monitor inside the elevator car and the complete image information in real-time image recording information security equipment.