The housing is made of stainless steel, but the mounting (inside) made of plastic. The halt is given and the processing very well. The lamp has a G10 socket u. Was included. I have the wall light as spotlights used (up) and the Leuchtefekt awarded at a height of 3m radiation. The wall lights can be turned to the right or left. Please note this lamp has no input for Zuhleitung the chassis. The concept is for vorverlegtes cable. Why only 4 stars.