This product does not come with a battery and requires the user to bring their own electric tool battery for use. If there is no battery or the battery is not compatible, it cannot function. After starting the fire, please disconnect from the car immediately. When this adapter is not used for a long time, please make sure to separate it from the battery. Do not use this adapter to charge the battery! Use the battery after it is fully charged. Colour:As Shown Material:plastic style:D for Dewalt Package Contents: 1 * Igniter Jump-Starter 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.