Features: Light Source: CREE XPG3 6W LED * 1 Material: Aluminum Alloy 6063-T6 Finish: Anodized Switch:Tailcap100%-off-40%-off-10%-off -SOS-off-8HZ strobe-off, light press 100%-40%-10%-SOS-8hz cycle IPX4 Twist Focus USB charge Independent Power bank Dual-power supply Performs brightness of 700 lumens (18650) Light range up to 220 meters (18650) Works consecutive 3 hours (18650) Performs brightness of 400 lumens (AAA*3) Light range up to 180 meters Works consecutive 3.5 hours