Nitecore HC90 900 Lumen CREE XM-L2 T6 LED USB rechargeable headlamp with Genuine NL189 18650 3400mAh Li-ion rechargeable battery, Two EdisonBright CR123A Lithium Batteries Utilizes a premium CREE XM-L2(T6) LED for up to 900 lumens of output USB rechargeable / powered by 1 x 18650 lithium-ion battery Equipped with unique secondary RGB LEDs (red, green and blue) Use 1x 18650 Rechargeable battery or 2 X CR123A batteries This bundle include Nitecore NL189 18650 3400mAh rechargeable Li-ion battery & 2 X EdisonBright CR123A lithium batteries