Bayco NSR9614XL Duty/Personal Flashlight 650/200/50 Lumens Lithium Ion Black The NSR-9614XL rechargeable aircraft-grade aluminum LED flashlight, offers 3 microprocessor-controlled brightness modes as well as a strobe function. Utilizing a CREE LED, the 9614XL has an impressive runtime of 6.5 hours in full-brightness mode. The 650 lumen output in combination with the high efficiency deep parabolic reflector design throws a usable beam of light 325 meters. It has a dual button design, one located on the waterproof body of the light, and the other in the tail cap. Both buttons operate in tandem with each other.