Upgraded for 2016, the Fenix RC40 rechargeable LED flashlight now blasts an incredible 6000 lumens ultra-long distances of up to 2,395ft. Dual side switches control the five output modes, strobe and S.O.S. The built-in rechargeable Li-ion battery pack, plus charging and discharging port with protective circuit, make it super efficient in battery charging, and also enables it supply power for other digital devices. The Fenix RC40 Rechargeable LED flashlight is an invincible companion when the ultimate power in lighting is needed.