Certification : CESpecification:This item is designed to provide continuous power.Thanks to the high-tech design, the solar panels are made of high-quality materials.The conversion rate is high, no matter how the sunlight angle changes.It can provide stable power output. Proudly manufactured, low noise, high efficiency, and few failures.Suitable for camping, fishing, hiking and other outdoor activities. Also suitable for people who work long hours outdoors.Such a convenient and practical item, just take it home!Size: 420x280x30mm (16.5x11x1.2in)Wattage: 50WFeatures:1. Constructed with high-quality materials, environmentally friendly, slightly waterproof, durable and sensitive.2. Low noise, high efficiency and low failure rate.3. Lightweight and portable, easy to carry.4. As long as there is sunlight, high conversion rate can be continuous power supply.5. Suitable for outdoor activities, emergencies and outdoor work.Note: The controller option is chosen by yourself. If you select no controller, you will not own the controller.Notice:1.Please allow 1-2cm error due to manual measurement.Please make sure you do not mind before you bid.2.The colors may have different as the difference display,please understand.Package Includes:1 x Solar controller (Optional)1 x 50W Solar panel1 x Alligator clip1 x Car chargerDear buyers, we appreciate your business, if you are satisfied with our service,please leave us a positive feedback and rate the details of the transaction (Detailed Seller Ratings) with a"PERFECT 5 STARS".If you have any problems, broken, quality problems, please don't worry, and don't leave bad feedback.Please send us an email first, we will reply you as soon as possible, please allow us to respond within 12 hours.We understand your mood, and will provide you with the best solution for your problem,please give us the opportunity to solve the problem,For any case,please feel free to come to us,we are always here.look forward to and thank you for your trust.