... square meters brightness: 100-120LM voltage double protection Parametres1, power of solar panel: 0.5 W2, battery : NI-MH 1.2V 1500mah3 ... one is on, 2nd gear means 50% of full brightness, and 3rd means 100% of full brightness5, tough type switch, which is ... off. For collecting, just fold the according to the size of the panel, then put it into the package bag. It can ...