Bright 2500 lumens from a CREE XHP50 high-quality LED Durable aluminum body with SiC ceramic head for extra strength Rechargeable 4500mAh lithium-ion battery with charging cable included Tactical design with tail switch and secondary turbo mode switch Fade transition between modes for smooth operation Double-folded pocket clip for secure, easy carry IP67 waterproof and dustproof for outdoor and emergency use