Product color can be chosen according to your requirements.
single or double battery optional to enhance the duration
time.Emergency & automatic light-up .
Overcharge & Overdischarge Protection.
Charging Time: ***0h(Single Battery)****8h(Double Battery).
Duration Time: Fan**- Approx. 2.**8.2 hours(From Low-High).
Double battery double duration time.
Unit Size: *0.5**8***0.5cm
