solar powered system 3.7v 4400mah li-on battery usb portable emergency light camping

- solar panel power: 3w/6v - panel size: 22.3*16.5cm - usb output voltage: dc5v - controller size: 13*10cm - light bulb size: 6.1*8cm - ac adapter voltage: ac220v - light source: 2*1w bulb with 2 bright white led bulbs, ideal to bring you lightness with low power consumption, more durable to use,constant current ic driver, good stability, hight brightness.