1. Used to charge mobile phone, MP3, pad, or other USB-charged device. 2. Double USB female port, easily charge device via USB charging cable. 3. You can place the panel in the sun and use it to directly charge your device. 4. Great for outdoor cycling, climbing, hiking, camping, traveling, etc. USB output: 5V Solar panel voltage: DC12-18V Solar panel power: 8W colour: black Material: polysilicon Size: 43.5x20cm Package Contents: 2 x Solar Panel Kit 2 x Clip 2 x USB car charger 8 x Suction Cups 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 little different from the real thing. The measurement allowed error is +/- 1-3cm.