1. Output Voltage: 5.5V 2. Output Current: 550mA 3. Output Interface: USB female socket4.Solar Panel Rated Wattage: 3W5.Working Temperature: -20 ~ 80℃6.Life of Solar Panel: above 15 years7.Solar Energy Conversion Efficiency: 17.8%8.Material: PET laminated， PVC waterproof fabric9.Suitable for: Mobile Phone / Digital camera / MP3 / MP4 / PDA / GPS etc10.Color: Camouflage11.Net Weight: 166g 12.Gross Weight: 253g 13.Size: 200*190*3mm 14.Packing Size: 260* 200*30mm Note:1.Due to the intensity of sunlight， the charging to your mobile often is not stable.2.Solar panels can only generate electricity， can't store electricity.3.It can not work in bad weather. Package Includes:1 x Solar Panel with USB Port (3W)