1-16inch, good quality BUILT IN BATTERY 2*6V4.5Ah lead acid battery.
4hrs in high speed. 6hrs in.low speed.
It can be charged by both solar grid power or Ac power.
2-fan with USB charging connector .used for charging mobile phone or radio
3-with bright LED light in 3 level.
4-with REMOTE CONTROL
5. with 5 blades. colour can be customized.normal color:blue color and red color