There are many kinds of outdoor lights. Now they basically use cold light energy-saving lamps and LED bulbs. The earliest used is dry battery type. The disadvantage is that they have to carry more batteries and weigh more. At present, charging camping lamps are generally used, which can be charged by car, power supply and solar panel. They can be charged anytime and anywhere, which is convenient for energy conservation and environmental protection, and there is no need to worry about power supply. They are widely loved.
