... High Performance, energy saving economy, durable. 2.Portable, total 10 meters connect wires 2011 New Portable solar indoor light is consisted by solar ... generates electricity by efficient use of solar energy, reflecting the new, safe, green energy products, and the reasonable design. This ... every 3 years, the rest can use for 20 years.Portable, sealed with silicon ring; total 10 meters connect wires, ...