Height: 1 1/2" 
Width:  8"
Backplate: 4 3/4" h x 3/4" w
Extension: 9" - 12" Adjustable
Shade: 1 1/2 h" x 8" w
Wattage: 1 - 25 Watt Type T
Socket: Keyless - Switch 12" from Arm

Note: This item cannot be hard-wired.