Features： 1、Continuous Solar Charging: Efficient solar panels mean that your product will stay charged with only a few hours of direct sunlight a day. It has high charging efficiency of solar cell charger. 2、IP65 Waterproof: Solar panel is made of materials, with high temperature resistance and water resistance, the IP65 protection level of the panels can work even in bad weather, for outdoor use. 3、Usage Tip: In order for solar panels to work properly and efficiently, the sun's rays must reach the front of the panel completely, so you need adjust the solar panel to a proper angel. 4、Easy Installation: Solar panel installation does not require complex tools. You can adjust the solar panel according to the direction of the sun, which is convenient for you to use. It is compatible with many installation environments. 5、Wide Application: It is also suitable for all kinds of low power electrical appliances, emergency lights, advertising lights, traffic lights, household lights, electric fans, such as solar water pumps, solar street lights, small solar energy systems, etc Specification： Item Type: Solar Panel Material: Monocrystalline Silicon Power: 4w Operating Voltage: 5v Interface: Type C Package List： 1 x Solar Panel 1 x Mount Base  4 x Screw  4 x Expansion Tube