Specifications: 1) Dimensions: 168 x 108 x 28mm 2) Output: DC 7 - 8V 110mA (1W) 3) Weight: 450g (for reference only) 4) Configuration: 1pc solar charger + 1pc connecting wire + 5pcs mobile phone connector + 1pc multi-purpose connector 5) It can charge your mobile phones in an emergency when you are on business or trip by land or by sea 6) There are two methods of charging: a) Charges through solar panel under natural sunshine b) Charges with putting in five rechargeable Ni-MH AAA batteries which can charge for your mobile phone, MP3, digital cameras and various portable devices