1) 40PCS 5730 super bright white LED,1400LM.LED indication light will twinkle with blue light, it will turn off after fully charged.
2) The middle part of the tube can be rotetable.
3) Using 7.4V 2200MA rechargeable li-ion battery with protection panel, with AC-DC adapter and 12V car charger
4) The lamp with high and lower output lumen to make the runtime longer depend on using, the lamp can be folded
5) with a strap and can be shouldered, runtime is: 1.5hours.