5V 2A Solar Panel Power Supply USB Charging Voltage Controller Controller Features 1) automatic identification of iphone and other smart phone 2) 5V constant voltage output 3) automatic restart (after weaker sunshine, stop charging, auto recover after discharging to strong sunlight) 4) compatible with most smartphones, tablets, ipads, digital cameras, etc. Specification: Input Voltage: 5V-20V Output Voltage: 5V Maximum Output Current: 2000mA Conversion Efficiency: 95% Product Size: 3.5x 3cm/1.38x1.18" Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Content: 1 x Black Coating Solar Panel Module