Description: 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 Specification: Size: 420x280x30mm (16.5x11x1.2in). Wattage: 100W. Continuous power of solar panel: 30W. Solar controller current: 10A/20A/30A/40A/50A/60A/80A/100A (OPTIONAL). Features: 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. Package Includes: 1 x Solar controller (Optional). 1 x 100W Solar panel. 1 x Alligator clip. 1 x Car charger