Feature:1. High Power: High efficiency monocrystalline silicon panel, which can generate more power under full sunlight and achieve the most ideal charging effect in a limited space.2. Security Protection: The panel provides multiple protections, such as overcharge protection, overdischarge protection, short circuit protection, overload protection, reverse connection protection, etc.3. Low Consumption: Solar battery charger automatically charges during the day and automatically shuts off at night without consuming battery power.4. Waterproof Design: Polycrystalline silicon, metal and ABS material, high temperature resistance, IP65 waterproof, and can easily cope with the harsh outdoor environment.5. Application: Widely used in caravans, motorcycles, boats, tractors, trailers, trucks, lawn mowers, caravans and other batteries, and also for door openers, electric fences, lights, etc.Specification:Item Type: Solar PanelMaterial: Polysilicon, metal, ABSProtection Level: IP65Solar Panel Power: 30WController System Voltage: 12V/24V adaptiveSolar Panel Operating Voltage: 18VSolar Panel Open Circuit Voltage: 21.6VSolar Panel Short Circuit Current: 1.66A (maximum)Output Port: Dual USB, DC5521 femaleSolar Panel Size: Approx: 660x280x3mm/25.98x11.02x0.11inProduct Features: Integrated voltage regulator module, 5V dual USB voltage regulator outputApplication: 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 lights..Package List:1 xSolar Panel1 x Controller 1 x Clip Line 1 x Car Charging Cable 4 x Sucker 2 x Buckle 1 x User Manual Note:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.