-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 for quick installation and fixing, 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 circuit 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, 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 x Suction Cups , this solar set is very suitable for outdoor life."