Feature: 1. Made of monocrystalline silicon, it has a 18~21% high conversion rate. 2. Environment-friendly and pollution-free, it realizes the energy conversion from solar power to electric power. 3. Wide range of applications, it can be used in lots of place such as for car, small household appliances, ect. 4. A solar panel is a device that converts solar radiation directly or indirectly into electrical energy by absorbing sunlight. Compared with ordinary batteries and rechargeable batteries, solar panels are more energy-saving and environmentally friendly. 5. Great for outdoor cycling, climbing, hiking, camping, traveling, etc. Specification: Material: monocrystalline silicon. Power: 50W(Max). Working Voltage: 18V. Current: 0-800MA. Temperature: - 40 degrees~60 degrees. Size: 36x33 cm. Note: 1. Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm). 2. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Package Included: 1 X Solar Panel. 1 X Battery Clip. 1 X Car Plug. 1 X 10 IN 1 Wire. 4 X Sucker. 2 X Buckle