How to Use: 1. The solar panel is placed in a position facing the sun 2. Plus the corresponding interface on the wiring connected to the need for electricity products can be (such as fans, lights, etc.) 3. This product can be suitable for direct use of DC fan products, can be used directly with water pump products Specification: Item Type: 50W Solar Panels Material: Polysilicon Weight: Approx. 1180g / 41.6oz Solar Panel Unfolded Size: Approx. 79 x 34.5cm / 31.1 x 13.6in Solar Panel Power: 50W (Without Power Storage Function) Working Current: 2A Controller Current: 100A Controller Working Voltage: 12/24V How to Use: In the Sun, Connect the Solar Panel and the Controller, You Can Use Package List: 1 x Solar Panel 1 x Controller 1 x Crocodilian Clip 4 x Suction Cups 1 x Connecting Cable 2 x Instructions Note: 1. Please do not use incisive objects to scratch the appearance of the solar panel. 2. When charging the charger with solar energy, please place the solar panel facing upward in direct sunlight to ensure the best charging effect. 3. Please do not place the charger in the outdoor solar energy for emergency charging on rainy days, so as not to cause a short circuit. (The front of the solar panel is not afraid of rain (pay attention to the USB and DC interface does not enter the water is good.)