Feature 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.Item Type:RVSolarPanelMaterIal: Polysilicon + metal + ABS .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Protection Class: IP65Solar Panel Power: 12WSolar Panel Working Voltage: 18VSolar Panel Open Circuit Voltage: 21.6VSolar Panel Short Circuit Current: 0.55A (Maximum)Controller System Voltage: 12v/24v AdaptiveController Working Temperature: -35+60Output Port: Dual USB, DC 5521 Female plugSolar Panel Size: Approx. 280x280x3mm/11.02x11.02x0.12inFeatures: Integrated Voltage Regulation Module, 5V Dual Usb Regulated OutputApplication:Can be widely used in batteries for motorcycles, boat, tractor, trailer, truck, lawn mower, RV etc. Also be used for gate openers, electric fences, chicken coops, sheds, and lightsPackage List1 x SolarPanel1 x Controller1 xClip Cable1 x On Board Charging Cable4 x Suction Cup2 x Buckle1 x Instruction ManualNotePlease read the instruction manual carefully before installation