... has a dual power mode, built-in solar charging function and alkaline batteries in general, ... when the lamp into the windowsill, using solar energy to recharge, no need to purchase batteries ... light)·Maerial : Plastic ABS ·Charger Type : Solar charge·Built-in Rechargeable 3.6V, 600 mAh Ni ... -Mh battery ·Charger Indicator : Solar charging indicator·Function Switch : Push button control on ...