-High Conversion Efficiency - 300W solar panel with high quality panel, power conversion efficiency up to 23%. Good light transmittance, the more sunlight you get, the higher the charging efficiency. -Plug and play: Reserved holes for the solar panel kit allow easy installation and fixing fast, solar panels can be installed on uneven surfaces, very easy to install, transport and hang. -Waterproof design: The solar panel& 39;s solar cells have a waterproof design, prevent short- circuits or rain damage, can withstand different environments and are suitable for outdoor and indoor use. -Wide application: The solar panel solar cell is suitable for outdoor and indoor use. indoor, very suitable for caravans, boats, batteries, houses, caravans, gardens, outdoors. It can generate power in most weather conditions. -What You Get: 1 x 300W Solar Module, 1 x Charge Controller, 1 x Clip Cable, 1 x Car Charger, 4 suction cups, this solar set is very suitable for outdoor life."