12 volt AC, 1200ma wall transformer with 2.1x5.5mm right-angle connector.
Specifications
Input: 120V AC, 60Hz, 20W, 2 prong USA plug.
Right Angle 2.1x5.5mm output connector.
Approvals: UL Listed, Class 2.
Product Marking: AM-121200A.
Documentation
Cutsheet