1Solar Panel: Adopted tempered glass surface, which can prevent weathering and wear, long service life, made of high efficiency monocrystalline silicon, can generate more electricity in full sunlight. 2Battery Protection: The charge controller can prevent battery overcharge, overdischarge, overvoltage, short circuit and reverse current, extend battery life. 3Intelligent Control: Automatic charging during the day, shutdown at night, reduce nighttime consumption, improve daytime efficiency, and do not consume battery power. 4Practical: High temperature resistance and waterproof, can easily cope with outdoor harsh environment, has high charging efficiency, with four suction cups, prevent falling. 5Kit Includes: Package includes 12W monocrystalline solar panel, electric controller, etc., which can be widely used in RVs, motorcycles, ships, tractors, trailers, trucks, lawn mowers.