Brand new 24V 2A 2000 mA center tap AC transformer.
Input is 110V/220V.  Output is 12V + 12V.
You get 24V by using the two blue wires.
If you need 12V you can use one blue and one black wire.
For 110V input you use the black and blue in the primary.
For 220V input you use the black and red.
W 60mm (90mm with tab)  Hole center to center is 72mm
D 50mm
H 50mm

This is an AC transformer and the output is AC also.
If you need DC you need a power supply not a transformer.
If you try to measure the output using the DC setting in your meter it would not give you a voltage.
You need to set it to AC in order to measure the output voltage.

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