Transformer w/ Power Cord: 30' x 3.25" x 2.75"

Q: What is the wattage/voltage of the transformer?

A: The model number is MHPO-120900. The input is 110-120Vac 60Hz 130W and the output is 12Vac 9.0A 108VA.

Q: Is the transformer connection single-prong or dual-prong?

A: The transformer connection is dual-prong, as there are two (2) terminals.