Transformer is for a 2-Pin connection only
For use indoors or outdoors.
UL Listed 

Transformer's Specs:

2-3/4" H ~ 2" W ~ 4" L
Grounded Power Cord Length: 6'

Electrical Specs:  

AC Adapter ~ Class 2 ~ UL Listed
Input: 120VAC ~ 60Hz
Output: 12VAC ~ 2500mA ~ 30W

Rainproof