... 2.brightness: 25%, 50%, 75%, 100% 3.Rechargeable polymer lithium battery,1600mAh New Fashion P 3.0 LED Desk Display Key Specifications/Special ... . Package: 1 per box, with CD, communication lines5. Charging time: 3-4hours, Wide voltage input AC110-220V6. Working time : 16 hours ... . N.W:480g G.W 800g Detailed Pictures: New Fashion P 3.0 LED Desk Display