1. It is applicable to Compatible with for 14.4V/18V M14 Lithium batteries. 2. Using this product and the corresponding lithium battery can provide DC 18v 20v power supply to other DC electronic equipment (such as toy cars, , various tools, etc.) 3. Exposed 14AWG wire 20cm for black wire and red wire. 4. With 10A I / O switch and 30A fuse, it is more convenient and safe to use 5. When using, pay attention not to touch black wires and red wires together to prevent short circuit. Colour:red Material:PC+electronic components Package Contents: 1 Wheel Adaptor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.