High conversion efficiency: 300W solar panel with high quality panel, power conversion efficiency up to 23%. Good light transmission, the more sunlight you get, the higher the charging efficiency.-Plug and play: The holes reserved for the solar panel kit allow for quick installation and fixing, the solar panels can be installed on uneven surfaces, very easy to install, carry and hang.-Waterproof Design: The solar panel solar cells have 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 caravan, boat, battery, house, caravan, garden, outdoor. It can generate energy in most atmospheric conditions.-What you get: 1 x 300W solar module, 1 charge controller, 1 clip cable, 1 car charger, 4 suction cups, this solar set is very suitable for outdoor life.