Work Light For Electric Tools Lithium Battery Applicable battery voltage: 18V 20V 21V (Note: Cannot be used for batteries of other voltages!) Power: Max. 14W Socket spacing: adjustable between 20.5mm and 40.5mm. (Solved the problem of different battery interfaces from different manufacturers that cannot be used interchangeably) Particular attention: Connect the positive pole of the lamp to the positive pole of the battery, connect the negative pole of the lamp to the negative pole of the battery, Avoid inserting the positive and negative poles incorrectly Please note: 1. Only the lamp is included in the package, and the battery is not included. 2. The battery in the above product picture is only used to describe the function of the lamp. Color: Black & Red Material: plastic Package Contents: 1 * Light 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.