Description: 100percent brand new and high quality Works when connected to the solar pane and can be used alone to be connected to the USB port of the computer. When the sunlight is strong, the fan works quickly, when the sun is not strong enough, the fan can run low or even does not work. There is no rechargeable battery in the fan, if you need the fan works at night, you can use a power bank. Specification: Color: black Material: metal Fan size: as shown Solar panel size: about 145x145mm Weight: about 375g Power: 3W Voltage: 6V Working current: 0-500mA USB: 2.0 Package Included: 1xfan 1xsolar panel Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering. High quality store for you!