Comes with cigarette lighter plug adapter. Use to maintain the batteries in your boat, car, truck, RV or motorcycle while in storage! Easily mounts on any flat surface. Can be hardwired directly to the batteries or simply plug into your cigarette lighter adapter. 12"L x 15"W x 0.5"H.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov