Rechargeable by solar or AC adapter; Solar Panel Material:Polycrystalline; Shell material: ABS; Four adjustable brightness settings; Mobile phone charging function 3 standard charging connectors for Nokia6101 Sony ericssonk750 and mini USB; Battery capacity Indicator; with overcharge and over-discharge protection; CE & Rohs a; Solar panel: 4W/5V polycrystalline Mobile phone output port: 5V Illumination in "Super" setting: 4.2hrs @ 200LM Illumination in "night light" setting: 30hrs @ 20LM Light output ("Super"): 200 lumens Lamp secondary: 1500mah/3.2V lifepo4 battery, 10 led chips Illumination at “Super” setting: 4.2hrs @ 100LM Illumination at “Night Light” setting: 30hrs @ 10LM Light output (“Super”):100 lumens Lightness: 4 settings-High-Normal-Night light-Super