Multi-fuel and high Lumen tactical flashlight featuring an illuminating 3500 Lumens of brightness TEN-TAP programming; choice of three operating modes; 1) high/Strobe/low; 2) high only; 3) low/medium/high Includes 4x CR123A non-rechargeable batteries The ProTac HL 5-X can also accept two rechargeable USB batteries (not included) Durable, anodized aluminum Construction