We have a bunch of power supplies laying around. This is a bag of 5 randomly selected power supplies (wall warts). 110VAC input. About 6 inches of wire with no ends. The output voltage is anywhere from 3 to 30VDC, there may be some AC output. Not likely to get 9VDC or 12VDC since we have them as other grab bags. Do NOT ask us to hand pick voltages, you get what you pay for here... 5 random transformers for under $5!