Feature: 1.High conversion efficiency, good output efficiency, low light efficiency, light weight, and high applicability. 2.You can put the panel in the sunlight and use it to charge your devices directly. 3.Used for charging mobile phones, floor mats or other controlled devices. With dual female USB ports, you can easily charge your devices via the USB charging cable. 4.Lightweight, easy to carry, suitable for outdoor riding, hiking, trekking, camping, travel, etc. 5.After special process treatment, more wear-resistant, improve the efficiency of the absorption of sunlight. Suitable for car batteries, cars, caravans, ships, aircraft, satellites, space stations, outdoor farming, planting, tourism, solar street lights. Specification: Item Type: Solar Panel Kit Material: Monocrystalline Silicon Color: As shown in the picture Product Size: Approx. 280x280mm / 11.02x11.02in Controller Size: Approx. 133x68x35mm / 5.24x2.68x1.38in Weight: Approx. 577g / 20.4oz Power: 40W Open Circuit Voltage: 18V Short Circuit Current: 2A Output Voltage: DC 18V&9V, USB 5V Waterproof Rating: IP65 Conversion Rate: 23-24%Controller Parameters: Controller Rated Current: 20A Voltage: 12/24V automatic USB Voltage: 5V 2A Standby Current: <10mA Package List: 1 x Solar Panel 1 x Controller 1 x Crocodilian Clip 4 x Suction Cup 1 x Connection Line 2 x Chinese and English Manual Note: 1. Please allow in 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. Features High efficiency:： High conversion efficiency, good output efficiency, low light efficiency, light weight, and high applicability. Easy to use:： You can put the panel in the sunlight and use it to charge your devices directly. Full function:： Used for charging mobile phones, floor mats or other controlled devices. With dual female USB ports, you can easily charge your devices via the USB charging cable. Easy to carry:： Lightweight, easy to carry, suitable for outdoor riding, hiking, trekking, camping, travel, etc. Scope of application:： After special process treatment, more wear-resistant, improve the efficiency of the absorption of sunlight. Suitable for car batteries, cars, caravans, ships, aircraft, satellites, space stations, outdoor farming, planting, tourism, solar street lights.