The SunBell solar Lamp and mobile charger using USB adapter is the most versatile product in the market.it work excellent a reading light,as a ceiling lamp as neck light.
Light.Strong -100Im for 4,5+hours Medium: 25Im for 14+hours Night mode 5Im for 100+hours Automatic dimming to lower modes at low voltage battery L1lifePO battery /1.400mAh/3.2v the best battery in the market by International standard