This recessed mount screws on the front part of AXIS F2135-RE Fisheye Sensor Unit. It’s the perfect accessory when installing AXIS F2135-RE on walls, glass, plastic, or metal panels from 1 to 15mm (0.04 in to 0.6 in). Beyond the stylish esthetics, it also guarantees that water won’t leak in the wall or the panel. Highly recommended when AXIS F2135-RE is used in hard environments, AXIS TF1203-RE is made from plastic and includes built-in lens protection.