HIGH CONVERSION EFFICIENCY - The 300W solar panel is made of high quality panels with a power conversion efficiency of up to 23%. Good light transmission, the more sunlight, the higher charging efficiency. PLUG AND PLAY: The solar panel kit comes with pre-drilled holes for quick installation and fixing, the solar panel can be installed on uneven ground, very easy to install, transport and hang. WATERPROOF DESIGN: The solar cells of the solar panel have a waterproof design to prevent short circuit or rain damage, can withstand different environments, suitable for outdoor and indoor use. WIDE APPLICATION: The solar cells of solar panels are suitable for both outdoor and indoor use, perfect for caravans, boats, batteries, houses, caravans, gardens, outdoors and more. It can generate electricity in most weather conditions. You will get 1 x 300W Solar Module, 1 x Charge Controller, 1 x Cable Wire, 1 x Car Charger, 4 x Suction Cups, this solar set is perfect for outdoor living.