The frame is designed for rooms with a lot of power consumers, where the use of an extension block is not appropriate, and violates the aesthetic appearance of the interior. Made of impact-resistant plastic in white. See succinctly, does not stand out, it is not evident. Firmly fixed internal mechanism and closes the outlet. Large resource use, non-yellowing with time, do not crack, do not remain traces of the operation. The material does not change its color and density characteristics at low and high temperatures from -20 to +40. It protects against contact with the conductive parts of objects, tools, fingers. Guarantees safety of use. The structure of the material does not contain harmful chemicals. Environmentally safe. Very easy to install. Installation entrust skilled electrician.