Emitter: Cree XP-E cool white
One CR123 lithium or 16340 rechargeable, working range from 0.8V~4.2V
Electrically conductive aluminum body provides inherent EMI/RFI shielding
SCHOTT ultra clear lens
Reverse polarity protected
Premium grade aluminum alloy machined body with hard anodized finishing
Twist head to turn the light on & off
Twist again to switch mode, it cycles from low mode to high mode.