Nitecore HC90 Rechargeable XM-L2 LED Headlamp - 900 Lumens w/ AA bright flash light features a 100 angle beam bright 900 lumens. Equipped with a CREE XM-L2 (T6) LED and RGB colored LEDs Powered by either one 18650 or two CR123A/RCR123A(NOT included), operate for as long as 200 hours and is very lightweight