GMFive 30W Panel Solar Home System Kit Including Cell Phone Charger& 4 LED Strong Light Bulbs &iexcl;&shy; Brand new and high quality. It is made of solar panel,controller,bulbs and cell phone charger accessories. It can be used lighting in outdoor or indoor and cell phone charger. The solar panel is collapsible,very portable and convenient. It is a mobile portable multi-purpose power supply.Products are widely used in outdoor and indoor lighting,such as farm,fishpond,camping and vehicle travel etc. NB:The controller of this item has a build-in battery,when the solar panel has no power, you still can use it normal.