12V [3.7 amps] ACDC adapter. The item in the image will be delivered. I've easily made over 1000 of these in total. Alligator clips: Red: Positive Black: Negative The second image shows examples of use. Converts household 100V AC outlets to 12V for car and motorcycle accessories. In the event of a short circuit, turn off the power and wait about 3 minutes. Handmade. I make these as a hobby and charge half the shipping cost, so price reductions are difficult. You can check car audio, car navigation systems, LED lights, and other car and motorcycle accessories indoors. Many repeat customers. Also for charging batteries, etc. I also make wiring. Double crimp terminals: Positive and negative for an additional 100 yen. I also sell lower amperage versions, as well as 6V and 24V adapters.