FENIX TK61-L2 U2 1000 Lumen LED Flashlight / Searchlight with EdisonBright Battery Sampler Pack Max 1000 lumen with 900 yards long throw Utilizes Cree XM-L2 U2 LED with a lifespan of 50,000 hours Instant Strobe Mode: 1000 Lumens; Instant SOS Mode: 130 Lumens Powered by four 18650 rechargeable Li-ion batteries or eight 3V CR123A Lithium batteries EdisonBright battery sampler pack Included in bundle.