Richly&reg;Zoomable 1800 Lumens CREE XM-L T6 U2 3 Modes 4 Colors Bright Adjustable Base Headlamp/Bicycle Light Torch Flashlight 18650 AAA Battery with Bike Mount and 4 Colors Filters for Camping, Hiking, Climbing, Cycling Zoomable CREE XM-L T6 U2 LED 1800Lm 4 Colors Headlamp Bicycle Light. Luminous Flux: 1800lm (Maximum) Power Source: 1 x 3.7V 18650 Battery/3 XAAA Batteries . 4 Colors Headlamp Bicycle Light for Camping, Hiking, Climbing, Cycling 3 Switch Modes: High, Low, Strobe.