Single light 90mm wide, 230 mm high and 130mm deep, the mounting plate is 90mm square. 
The light uses a candle shaped bulb with a small Edison screw up of to 40 Watts or a Superlux compact Fluorescent  of 7 Watts (SBFSP-7SEWW)

The diffusers are made of acid glass












Double light 90mm wide and 370mm high and 130mm deep with a 90mm square base.

Both lights are small Edison screw candle of maximum 40 Watts.
A compact fluorescent may be used of up to 7 Watts


Despite the extra cost LED candle lamps will give a good light and last 35 times longer, fit once and leave.