SUPER BRIGHT:With 3x Cree XM-L T6 LED, producing the super bright light which can be up to 12000 LM. STURDY AND DURABLE:With Aircraft-grade Aluminum Alloy material and hard Anodized finish,it's anti-abrasive, free-scratch and shock-proof. FIVE MODES : High/ Middle/Low/Strobe/SOS. POWER SOURCE: 4x 3.7 V Cusp Top of 18650 Rechargeable Batteries( Not Included). WIDELY USE:For Hiking, Camping, Fishing, Hunting, Self-defense, Emergencies in car truck Jeep SUV and many other activities. Outdoor and Indoor use.