small solar system can be used to DC lamp (12V) ,camera, mobile phone , ... so on. PRODUCT SPECIFICATONS1.SIZE: solar panel:180*275*18MM system box 170*140*130MM 2.WEIGHT :solar panel:0.76KG ... 2 LED lamps 4)1 lamp_socket 5)5m wire for system 6) 1 DC changers 7)1 lamp_socket with 3m wire ... to be output from USB interface12,Master switch (when the system is not working,please close it.)13,DC output interface ...