Features 1Used to charge MP3 mobile phones mats or other controlled devices. With dual female USB ports you can easily charge the device through a USB charging cable. 2Suitable for car batteries automobiles RVs ships airplanes satellites space stations outdoor breeding planting tourism solar street lights. 3Constructed with highquality materials environmentally friendly IP65 waterproof durable and sensitive good applicability. 4Lightweight and portable easy to carry. Suitable for outdoor cycling mountaineering hiking camping tourism etc. 5High conversion efficiency good output efficiency you can put the panel out in the sun and use it to charge the device directly. Specification Item Type: Solar Panel KitMaterial: Monocrystalline SiliconColor: As shown in the pictureProduct Size: Approx. 280x280mm / 11.02x11.02inController Size: Approx. 133x68x35mm / 5.24x2.68x1.38inWeight: Approx. 577g / 20.4ozPower: 40WShort Circuit Current: 2AWaterproof Rating: IP65Conversion Rate: 23-24%Controller Parameters:Controller Rated Current: 30AStandby Current: <10mA Package List 1 x Solar Panel1 x Controller1 x Crocodilian Clip4 x Suction Cup1 x Connection Line2 x Chinese and English Manual Note 1. Please allow 12in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Without power storage function.