... and high-capacity electronic components, longer using lifespan.3) LED: superbright, pure white, energy saving, durable, luminous range ... ) Push the switch to be 1st gear, partial LED will be on, push the switch to be 2nd ... gear, all LED will be on.Caution:1) Please charge it in ... as to avoid burning out the inner circuit or LED.3) When charging, keep it away from inflammable ...