??Superior Safety??The safe charging design will prevent your device from overheating, over current, over voltage, overload and short circuit, the built-in fuse is 10A in the line.??Widely Application??Universal for 12-24V vehicles, adapt to main stream vehicle types such as cars, SUVs, trucks, off-road, RV. Input: 12V/24V (9-36V) DC, Output: 12-24V, DC 20A??Simply installation??The cigarette lighter socket is not surface mounted, only needing a small hole, It is a through hole installation requirin a large (1 1/8″) hole.??Thoughtful design??Nylon housing have effective scratch resistant and this product also design has a PVC/Silicone cap, this cap effectively protects the charger against sudden water splashes and dustproof.??Timely Customer Service??Welcome to contact us if you have any questions or concerns. We will be patient to solve your problem and offer proper solutions for you.