9 1/2" tall x 4 1/4" wide x 4" depth

Exposed on wall mounted -2 1/4" depth x 9 1/2" tall x 4 1/4" wide

Brass Hook: 1" deep

Inside bulb surface: 4 3/4"tall x 3 1/8" wide x 3 3/4" depth

Rewired, but no way of testing