... solar flashlight adopts advanced solar technology to convert solar power into electricity to save and use, which both avoids troubles of ... oxidized, never getting rusty and color fading.[Performance parameters]Solar power panel: Mono-crystalline silicon, output current is 40mAh ... 39.6mm,Coda diameter28.6mm.Weight: 200 grams, specifications of solar power panel: Length 122mm,Breadth 22 mm[Packing]Air ...