EXTREME OUTPUT: Powered by a CREE XHP 35 LED the TC15 produces up to 2300 lumens with a beam distance of 807 ft / 246 m. | RECHARGEABLE: Powered by a rechargeable IMR 3100mAh 18650 cell, the TC15 features Built-In USB charging and a battery level indicator so you know when it's time to top up. ( Battery and charging cable included ) Please Screw Down The Light Head tightly Before Using | MODES FOR