(1) The camera should be installed near the monitoring target and is not easily damaged by outside. The installation location should not affect the operation of the equipment on site and the normal activities of personnel. The height of the installation should be 2.5 to 5 meters from the ground in the room; 3.5 to 10 meters from the ground in the room and not less than 3.5 meters from the ground.
(2) The cameras in the elevator car should be installed at the top of the elevator car and at the opposite corners of the elevator operator and should be able to monitor the panorama in the elevator car.
(3) The camera lens should avoid direct light and ensure that the target surface of the camera tube is not damaged. Within the field of view of the camera, there must be no object that blocks the surveillance target.
(4) The camera lens should be aligned with the monitoring target from the light source direction and should be installed without backlight; when the backlight installation is required, the contrast of the monitoring area should be reduced.