The unique design of this reflector allows adjustment of the socket both up-down and left-right for optimum light reflectivity regardless of bulb size. Flip down glass makes using this reflector a breeze.The unique design of this reflector allows adjustment of the socket both up-down and left-right for optimum light reflectivity regardless of bulb size. Flip down glass makes using this reflector a breeze, and you'll get a secure, air-tight close every time with the new rubber seal and steel locking clamps. Also included with this reflector are two Universal Hanging Clips and a pre-installed 15 ft cord and plug.