Vintage Kichler Co metal adjustable ceiling or wall light. Hardwire. It does work. We have two others listed separately (see last picture).
When linear it is 10 1/2" tall. Shade itself is 7 3/8" tall and has a 4 5/8" diameter. Mount diameter is 5 1/4". Weighs 1 lb 12 oz.
Please see pictures for details and condition.