Fogging unit is: 2" high including the black water sensor bar.
Unit will shut off should the water get too low, a nice feature.
Power cord has a 1/2" rubber stopper for glass bowl's hole.
Cord from the transformer to the fogging unit is 6' long and from the transformer to an electrical outlet you have another 6' of cord.

Transformer's Dimensions: 3-1/2" Length, 2-1/2" wide and 2-3/8" High
Transformer's electrical Specs:
Input: 120V ~ 60Hz ~ 39W
Output: 24VAC 1200mA