Product Details ：1. Wide Input Voltage Range, Input Dc Voltage Is 5~20v, And Can Stably Output 5v Dc Voltage. 2. Can Output A Maximum Current Of 2a. 3. High Conversion Efficiency, Up To . This Product Is Mainly Used In Solar Folding Bags And Solar Chargers. It Can Charge Any Mobile Phone Such As , Mp3, Mp4 And Other Digital Products. 4. Industrial Grade Temperature Range: -40~ +855. Usb Female Output, Can Charge Any 5v Digital Product. Equipped With Plastic Shell, The Shape Is More Beautiful. Input Voltage: 5v-20v Output Voltage: 5v Maximum Output Current: 2000ma Conversion Efficiency: Note:different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:as Shown Material:pcb+plastic Package Contents: 1 X Solar Panel Mainboard Module 1 X Solar Junction Box 1 Set X Screw Installation Package Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A