Rosewill Cree XML-U2 LED Flashlight Set 1000 Lumen with Samsung 18650 Li-Ion Rechargeable Battery Titanium Copper (RLFL-13004) Long lifetime Cree XML-U2 LED (up to 50000hrs) Aircraft-grade aluminum The illumination up to 200m High brightness (1000lm, up to 15000~ 20000lux at 1m) High quality & long lifetime Li-ion battery