[Excellent performance] The 300w solar panel kit uses 21% high-efficiency monocrystalline silicon solar cells, which can provide good performance even in low light conditions.[Convenient and portable] Light weight, easy to carry.High conversion rate, high yield.High stability and good durability.strong applicability.Easy to install with pre-drilled holes on the back of panel for fast mounting and securing.[Charge Controller] Equipped with 10A-60A 12V voltage solar charge controller, home solar kit smart multi-function, advanced LCD display. It senses and reflects the battery panel voltage and current in real time, and continuously tracks the energy efficiency of battery charging.[Durable aluminum frame] The solar panel is composed of a sturdy aluminum frame and non-reflective tempered glass, which can work in various weather conditions. The junction box on the back is waterproof, allowing you to use it more safely without worrying about leakage. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!