1. MULTIPLE SAFETY PREVENTION: The solar panel is equipped with a 30A solar charge controller, which can intelligently charge all kinds of 12V batteries and provide all around prevention of over charging, over discharging, over voltage, over current, short circuiting, reverse connection and so on for the batteries. 2. PORTABLE: It is compact in size and 't take up much space. Easily put the solar panel kit into your backpack, great for outdoor activities, traveling and emergencies. 3. EFFICIENT: This 10W solar panel can effectively absorb solar energy with high efficiency and produce more energy while generating maximum power to charge compatible devices in the shortest time. 4. : Solar polycrystalline panel provides a reliable performance, which is protected from occasional rain or wet fog, and is not susceptible to damage from dust or water. 5. PRACTICAL: You can always use this solar panel to power your devices when you are camping outdoors. You can hang it on your backpack, tent, roof, trees, beach or anywhere where the sun is not blocked. Item Type: Solar Panel Controller Combo Waterproof Rating: IP65 Maximum Power: 10W Operating Voltage: 12V Open Circuit Voltage: 13.8V Maximum Current: 0.8A Short Circuit Current: 1.2A Color: As Shown Material: Metal + Plastic + Polysilicon Package Contents: 1 x Solar panel 1 x Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.