Cable length 400 +/- 10mm Working principle: Connect this product to an 18V lithium-ion battery, use two cables to lead out the battery, and use it for other devices with the same voltage, as a good helper for DIY players, such as small DC fans, heating clothes, Electric Toy Modification, etc... Color: As shown in the picture Material: Plastic Package Contents: 1 x Battery Adapter Only the above package content is included, other products are not included.